SB2018082304 - Gentoo update for WebkitGTK+
Published: August 23, 2018 Updated: July 1, 2021
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 46 secuirty vulnerabilities.
1) Improper input validation (CVE-ID: CVE-2018-11646)
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to mishandling of an unset pageURL in webkitFaviconDatabaseSetIconForPageURL and webkitFaviconDatabaseSetIconURLForPageURL in UIProcess/API/glib/WebKitFaviconDatabase.cpp. A remote attacker can send specially crafted input and cause the service to crash.
2) Information disclosure (CVE-ID: CVE-2018-11712)
The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.
The vulnerability exists in WebCore/platform/network/soup/SocketStreamHandleImplSoup.cpp in the libsoup network backend of WebKit due to improper TLS certificate verification for WebSocket connections. A remote unauthenticated attacker can gain access to important data.
3) Security restrictions bypass (CVE-ID: CVE-2018-11713)
The vulnerability allows a remote attacker to bypass security restrictions on the target system.
The vulnerability exists in WebCore/platform/network/soup/SocketStreamHandleImplSoup.cpp in the libsoup network backend of WebKit due to a failure to use system proxy settings for WebSocket connections. A remote attacker can cause the victim to be deanonymized by crafted web sites via a WebSocket connection.
4) Memory corruption (CVE-ID: CVE-2018-12293)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists in the getImageData function in the ImageBufferCairo class in WebCore/platform/graphics/cairo/ImageBufferCairo.cpp due to integer overflow when handling malicious input. A remote attacker can trick the victim into visiting a specially crafted website, trigger heap-based buffer overflow and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
5) Use-after-free (CVE-ID: CVE-2018-12294)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists in WebCore/platform/graphics/texmap/TextureMapperLayer.cpp due to use-after-free error when handling malicious input. A remote unauthenticated attacker can trick the victim into opening a specially crafted WebCore::TextureMapperLayer object, trigger memory corruption and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
6) Memory corruption (CVE-ID: CVE-2018-4101)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists due to boundary error in the WebKit component. A remote attacker can trigger memory corruption and execute arbitrary code with elevated privileges.
7) Denial of service (CVE-ID: CVE-2018-4113)
The vulnerability allows a remote attacker to cause DoS condition on the target system.The weakness exists due to an array indexing error in WebKit javascript core. A remote attacker can trigger an ASSERT failure and cause the system to crash.
8) Memory corruption (CVE-ID: CVE-2018-4114)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists due to boundary error in the WebKit component. A remote attacker can trigger memory corruption and execute arbitrary code with elevated privileges.
9) Information disclosure (CVE-ID: CVE-2018-4117)
The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.The weakness exists due to input validation flaw in the WebKit component fetch API. A remote attacker can bypass cross-origin restrictions and obtain potentially sensitive information.
10) Memory corruption (CVE-ID: CVE-2018-4118)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists due to boundary error in the WebKit component. A remote attacker can trigger memory corruption and execute arbitrary code with elevated privileges.
11) Memory corruption (CVE-ID: CVE-2018-4119)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists due to boundary error in the WebKit component. A remote attacker can trigger memory corruption and execute arbitrary code with elevated privileges.
12) Memory corruption (CVE-ID: CVE-2018-4120)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists due to boundary error in the WebKit component. A remote attacker can trigger memory corruption and execute arbitrary code with elevated privileges.
13) Memory corruption (CVE-ID: CVE-2018-4121)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists due to boundary error in the WebKit component. A remote attacker can trigger memory corruption and execute arbitrary code with elevated privileges.
14) Memory corruption (CVE-ID: CVE-2018-4122)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists due to boundary error in the WebKit component. A remote attacker can trigger memory corruption and execute arbitrary code with elevated privileges.
15) Memory corruption (CVE-ID: CVE-2018-4125)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists due to boundary error in the WebKit component. A remote attacker can trigger memory corruption and execute arbitrary code with elevated privileges.
16) Memory corruption (CVE-ID: CVE-2018-4127)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists due to boundary error in the WebKit component. A remote attacker can trigger memory corruption and execute arbitrary code with elevated privileges.
17) Memory corruption (CVE-ID: CVE-2018-4128)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists due to boundary error in the WebKit component. A remote attacker can trigger memory corruption and execute arbitrary code with elevated privileges.
18) Memory corruption (CVE-ID: CVE-2018-4129)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists due to boundary error in the WebKit component. A remote attacker can trigger memory corruption and execute arbitrary code with elevated privileges.
19) Cross-site scripting (CVE-ID: CVE-2018-4133)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in the WebKit component. 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.
20) Memory corruption (CVE-ID: CVE-2018-4146)
The vulnerability allows a remote attacker to cause DoS condition on the target system.The weakness exists due to boundary error in the WebKit component. A remote attacker can trigger memory corruption and cause the system to crash.
21) Memory corruption (CVE-ID: CVE-2018-4162)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists due to boundary error in the WebKit component. A remote attacker can trigger memory corruption and execute arbitrary code with elevated privileges.
22) Memory corruption (CVE-ID: CVE-2018-4163)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists due to boundary error in the WebKit component. A remote attacker can trigger memory corruption and execute arbitrary code with elevated privileges.
23) Memory corruption (CVE-ID: CVE-2018-4165)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists due to boundary error in the WebKit component. A remote attacker can trigger memory corruption and execute arbitrary code with elevated privileges.
24) Information disclosure (CVE-ID: CVE-2018-4190)
The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.
The vulnerability exists due to a flaw in the WebKit component. A remote unauthenticated attacker can trick the victim into loading specially crafted CSS mask images and gain access to the target user's credentials.
25) Race condition (CVE-ID: CVE-2018-4192)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to race condition in the WebKit component when handling malicious input. A remote unauthenticated attacker can trick the victim into visiting a specially crafted website and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
26) Buffer overflow (CVE-ID: CVE-2018-4199)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to buffer overflow in the WebKit component when handling malicious input. A remote unauthenticated attacker can trick the victim into loading a specially crafted content, trigger a memory corruption and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
27) Memory corruption (CVE-ID: CVE-2018-4200)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists due to boundary error in the WebKit component when handling malicious input. A remote attacker can trick the victim into loading a specially crafted web content, trigger memory corruption and execute arbitrary code with elevated privileges.
28) Memory corruption (CVE-ID: CVE-2018-4201)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error in the WebKit component when handling malicious input. A remote unauthenticated attacker can trick the victim into loading a specially crafted content, trigger a memory corruption and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
29) Memory corruption (CVE-ID: CVE-2018-4204)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists due to boundary error in the WebKit component when handling malicious input. A remote attacker can trick the victim into loading a specially crafted web content, trigger memory corruption and execute arbitrary code with elevated privileges.
30) Memory corruption (CVE-ID: CVE-2018-4214)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error in the WebKit component when handling malicious input. A remote unauthenticated attacker can trick the victim into loading a specially crafted content, trigger a memory corruption and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
31) Memory corruption (CVE-ID: CVE-2018-4218)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error in the WebKit component when handling malicious input. A remote unauthenticated attacker can trick the victim into loading a specially crafted content, trigger a memory corruption and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
32) Out-of-bounds read (CVE-ID: CVE-2018-4222)
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to out-of-bounds read error in WebKit. A remote unauthenticated attacker can trick the victim into loading a specially crafted content, trigger memory corruption and cause the service to crash.
33) Improper input validation (CVE-ID: CVE-2018-4232)
The vulnerability allows a remote attacker to bypass security restrictions on the target system.
The vulnerability exists due to insufficient validation of user-supplied input. A remote unauthenticated attacker can trick the victim into visiting a specially crafted website, bypass security restrictions and cause cookies to be overwritten.
34) Memory corruption (CVE-ID: CVE-2018-4233)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error in the WebKit component when handling malicious input. A remote unauthenticated attacker can trick the victim into loading a specially crafted content, trigger a memory corruption and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
35) Memory corruption (CVE-ID: CVE-2018-4261)
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 attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.
36) Memory corruption (CVE-ID: CVE-2018-4262)
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 attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.
37) Memory corruption (CVE-ID: CVE-2018-4263)
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 attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.
38) Memory corruption (CVE-ID: CVE-2018-4264)
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 attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.
39) Memory corruption (CVE-ID: CVE-2018-4265)
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 attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.
40) Race condition (CVE-ID: CVE-2018-4266)
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to race condition when handling malicious input. A remote attacker can trick the victim into visiting a specially crafted website and cause the service to crash.
41) Memory corruption (CVE-ID: CVE-2018-4267)
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 attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.
42) Memory corruption (CVE-ID: CVE-2018-4270)
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability 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 cause the service to crash.
43) Memory corruption (CVE-ID: CVE-2018-4272)
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability 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 cause the service to crash.
44) Memory corruption (CVE-ID: CVE-2018-4273)
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability 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 cause the service to crash.
45) Security restrictions bypass (CVE-ID: CVE-2018-4278)
The vulnerability allows a remote attacker to bypass security restrictions on the target system.
The vulnerability exists due to improper audio taint tracking. A remote attacker can trick the victim into visiting a specially crafted website, bypass security restrictions and exfiltrate audio data cross-origin.
46) Memory corruption (CVE-ID: CVE-2018-4284)
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 attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.
Remediation
Install update from vendor's website.