SB2018100302 - Gentoo update for Mozilla Firefox

Description

This security bulletin contains information about 44 secuirty vulnerabilities.

1) Security restrictions bypass (CVE-ID: CVE-2017-16541)

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The vulnerability exists due to content can be loaded from the mounted file system directly using a file: URI. A remote unauthenticated attacker can use the automount feature with autofs to create a mount point on the local file system and bypass browser proxy settings.

2) Same-origin policy bypass (CVE-ID: CVE-2018-12358)

The vulnerability allows a remote attacker to bypass same-origin policy on the target system.

The weakness exists due to open redirect. A remote attacker can use redirect the victim into malicious website, avoid the tainting of cross-origin resources in some instances and read responses which are supposed to be opaque.

3) Memory corruption (CVE-ID: CVE-2018-12359)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to buffer overflow when rendering canvas content while adjusting the height and width of the <canvas> element dynamically. A remote unauthenticated attacker can trick the victim into visiting a specially crafted website, trigger out-of-bounds write and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

4) Use-after-free error (CVE-ID: CVE-2018-12360)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to use-after-free vulnerability when deleting an input element during a mutation event handler triggered by focusing that element. A remote unauthenticated attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

5) Integer overflow (CVE-ID: CVE-2018-12361)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow in the SwizzleData code while calculating buffer sizes. A remote unauthenticated attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

6) Integer overflow (CVE-ID: CVE-2018-12362)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow during graphics operations done by the Supplemental Streaming SIMD Extensions 3 (SSSE3) scaler. A remote unauthenticated attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

7) Use-after-free error (CVE-ID: CVE-2018-12363)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to use-after-free error when script uses mutation events to move DOM nodes between documents. A remote unauthenticated attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

8) Cross-site request forgery (CVE-ID: CVE-2018-12364)

The vulnerability allows a remote attacker to perform CSRF attack.

The weakness exists due to insufficient CSRF protections. A remote attacker can use NPAPI plugins, such as Adobe Flash, send non-simple cross-origin requests, make a same-origin POST that does a 307 redirect to the target site, bypass CORS and conduct cross-site request forgery (CSRF) attacks.

9) Information disclosure (CVE-ID: CVE-2018-12365)

The vulnerability allows a remote attacker to obtain potentially sensitive information.

The weakness exists due to a compromised IPC child process can escape the content sandbox and list the names of arbitrary files on the file system without user consent or interaction. A remote attacker can gain access to private local files.

10) Out-of-bounds read (CVE-ID: CVE-2018-12366)

The vulnerability allows a remote attacker to obtain potentially sensitive information.

The weakness exists due to an invalid grid size during QCMS (color profile) transformations. A remote attacker can trigger out-of-bounds read interpreted as a float value and access private data from the output.

11) Timing attack (CVE-ID: CVE-2018-12367)

The vulnerability allows a remote attacker to conduct timing attack.

The weakness exists due to in the previous mitigations for Spectre, the resolution or precision of various methods was reduced to counteract the ability to measure precise time intervals. A remote attacker can use PerformanceNavigationTiming as a precision timer and conduct timing attack and gain access to arbitrary data.

12) Improper input validation (CVE-ID: CVE-2018-12368)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to iWindows 10 does not warn users before opening executable files with the SettingContent-msextension even when they have been downloaded from the internet and have the "Mark of the Web". A remote unauthenticated attacker can trick the victim into visiting a specially crafted website, use WebExtension with the limited downloads.openpermission and execute arbitrary code without user interaction on Windows 10 systems

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

13) Security restrictions bypass (CVE-ID: CVE-2018-12369)

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The weakness exists due to WebExtensions bundled with embedded experiments were not correctly checked for proper authorization. A remote attacker can use a malicious WebExtension to bypass security restrictions and gain full browser permissions.

14) Security restrictions bypass (CVE-ID: CVE-2018-12370)

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The weakness exists due to in Reader View SameSite cookie protections are not checked on exiting. A remote attacker can trigger a payload when Reader View is exited if loaded by a malicious site while Reader mode is active, bypass CSRF protections and possibly conduct CSRF attack.

15) Integer overflow (CVE-ID: CVE-2018-12371)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow in the Skia library when allocating memory for edge builders on some systems with at least 16 GB of RAM. A remote unauthenticated attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

16) Memory corruption (CVE-ID: CVE-2018-12376)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error when handling malicious input. A remote unauthenticated attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

17) Use-after-free (CVE-ID: CVE-2018-12377)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to use-after-free error when refresh driver timers are refreshed in some circumstances during shutdown when the timer is deleted while still in use. A remote unauthenticated attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

18) Use-after-free (CVE-ID: CVE-2018-12378)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to use-after-free error when an IndexedDB index is deleted while still in use by JavaScript code that is providing payload values to be stored. A remote unauthenticated attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

19) Out-of-bounds write (CVE-ID: CVE-2018-12379)

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to out-of-bounds write when the Mozilla Updater opens a MAR format file which contains a very long item filename. A local attacker can run the Mozilla Updater on the local system with the malicious MAR file, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

20) Security restrictions bypass (CVE-ID: CVE-2018-12381)

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The vulnerability exists due to an error when the message's mail columns are incorrectly interpreted as a URL. A remote unauthenticated attacker can drag and drop an Outlook email message into the browser and trigger a page navigation.

21) Information disclosure (CVE-ID: CVE-2018-12383)

The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The vulnerability exists due to the older stored password file was not deleted when the data was copied to a new format starting. A remote unauthenticated attacker can access stored password data.

22) Input validation error (CVE-ID: CVE-2018-12385)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists within the TransportSecurityInfo function due to insufficient validation of data stored in the local cache in the user profile directory. A remote attacker with ability to write data into local cache (e.g. with combination of another vulnerability) can execute arbitrary code on the target system.

23) Type Confusion (CVE-ID: CVE-2018-12386)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a type confusion error in register allocation within the JavaScript engine. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger a type confusion error that will allow arbitrary read and write operations within the sandboxed content process.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

24) Off-by-one (CVE-ID: CVE-2018-12387)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to an off-by-one error within the JavaScript JIT compiler when processing Array.prototype.push with multiple arguments. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger an off-by-eight error and execute arbitrary code on the target system inside the sandboxed content process.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

25) Memory corruption (CVE-ID: CVE-2018-5125)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to boundary error when handling malicious input. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code.

Successful exploitation of the vulnerability may result in system compromise.

26) Buffer overflow (CVE-ID: CVE-2018-5127)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to buffer overflow when manipulating the SVg animatedPathSegList through script. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code.

Successful exploitation of the vulnerability may result in system compromise.

27) Out-of-bounds write (CVE-ID: CVE-2018-5129)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to a lack of parameter validation on IPC messages. A remote attacker can supply specially crafted malformed IPC messages, trigger out-of-bounds write, escape sandbox and execute arbitrary code.

Successful exploitation of the vulnerability may result in system compromise.

28) Memory corruption (CVE-ID: CVE-2018-5130)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to a lack of parameter validation on IPC messages. A remote attacker can send packets with a mismatched RTP payload type in WebRTC connections, trigger memory corruption and execute arbitrary code.

Successful exploitation of the vulnerability may result in system compromise.

29) Information disclosure (CVE-ID: CVE-2018-5131)

The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The weakness exists due to the fetch() API can return transient local copies of resources that were sent with a no-store or no-cache cache header instead of downloading a copy from the network as it should. A remote attacker can share a common profile while browsing and access previously stored, locally cached data of a website.

30) Integer overflow (CVE-ID: CVE-2018-5144)

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to integer overflow during conversion of text to some Unicode character sets. A remote attacker can supply unchecked length parameter, trigger overflow and cause the service to crash.

31) Buffer overflow (CVE-ID: CVE-2018-5150)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to boundary error when handling malicious input. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability result may result in system compromise.

32) Use-after-free error (CVE-ID: CVE-2018-5154)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to use-after-free error while enumerating attributes during SVG animations with clip paths. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability result may result in system compromise.

33) Use-after-free error (CVE-ID: CVE-2018-5155)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to use-after-free error while adjusting layout during SVG animations with text paths. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability result may result in system compromise.

34) Type confusion (CVE-ID: CVE-2018-5156)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists when capturing a media stream when the media source type is changed as the capture is occurring. A remote unauthenticated attacker can trick the victim into visiting a specially crafted website, trigger type confusion and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

35) Same-origin policy bypass (CVE-ID: CVE-2018-5157)

The vulnerability allows a remote attacker to bypass same-origin policy on the target system.

The weakness exists due to improper input validation. A remote attacker can trick the victim into visiting a specially crafted website, bypass same-origin protections for the PDF viewer and cause a malicious site to intercept messages meant for the viewer and retrieve PDF files restricted to viewing by an authenticated user on a third-party website.

36) Cross-site scripting (CVE-ID: CVE-2018-5158)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to the PDF viewer does not sufficiently sanitize PostScript calculator functions. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks

37) Memory corruption (CVE-ID: CVE-2018-5159)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to integer overflow in the Skia library while 32-bit integer use in an array without integer overflow checks. A remote attacker can trick the victim into visiting a specially crafted website, trigger out-of-bounds write and execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability result may result in system compromise.

38) Security restrictions bypass (CVE-ID: CVE-2018-5168)

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The weakness exists due to improper privileges or access controls. A remote attacker can manipulate the baseURI property of the theme element, bypass security restrictions and cause lightweight themes to be installed without user interaction which could contain offensive or embarrassing images.

39) Buffer overflow (CVE-ID: CVE-2018-5178)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

40) Memory corruption (CVE-ID: CVE-2018-5183)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

41) Memory corruption (CVE-ID: CVE-2018-5186)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error when handling malicious input. A remote unauthenticated attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

42) Memory corruption (CVE-ID: CVE-2018-5187)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error when handling malicious input. A remote unauthenticated attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

43) Memory corruption (CVE-ID: CVE-2018-5188)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error when handling malicious input. A remote unauthenticated attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

44) Heap-based buffer overflow (CVE-ID: CVE-2018-6126)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to heap-based buffer overflow in Skia when handling malicious input. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

Remediation

Install update from vendor's website.

References

• https://security.gentoo.org/glsa/201810-01