Risk | High |
Patch available | YES |
Number of vulnerabilities | 16 |
CVE-ID | CVE-2019-11751 CVE-2019-11746 CVE-2019-11744 CVE-2019-11742 CVE-2019-11736 CVE-2019-11753 CVE-2019-11752 CVE-2019-9812 CVE-2019-11743 CVE-2019-11748 CVE-2019-11749 CVE-2019-11750 CVE-2019-11738 CVE-2019-11747 CVE-2019-11735 CVE-2019-11740 |
CWE-ID | CWE-78 CWE-416 CWE-79 CWE-264 CWE-65 CWE-354 CWE-732 CWE-200 CWE-843 CWE-399 CWE-119 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Firefox ESR Client/Desktop applications / Web browsers |
Vendor | Mozilla |
Security Bulletin
This security bulletin contains information about 16 vulnerabilities.
EUVDB-ID: #VU20817
Risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-11751
CWE-ID:
CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper sanitization of logging-related command line parameters, when launching Firefox from another application. A remote attacker can create a specially crafted link, trick the victim to click on the link within an external application (e.g. messenger application) and write a log file to arbitrary location on the system, such as "Startup" folder. As a result a remote attacker can execute arbitrary code on the system.
Update to version 68.1.
Vulnerable software versionsFirefox ESR: 68.0 - 68.0.2
External linkshttp://www.mozilla.org/en-US/security/advisories/mfsa2019-26/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU20818
Risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-11746
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error while manipulating video elements if the body is freed while still in use. A remote attacker can create a specially crafted website, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system with privileges of the current user.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
MitigationUpdate to version 68.1.
Vulnerable software versionsFirefox ESR: 68.0 - 68.0.2
External linkshttp://www.mozilla.org/en-US/security/advisories/mfsa2019-26/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU20819
Risk: Medium
CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-11744
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: No
DescriptionThe disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data within
Update to version 68.1.
Vulnerable software versionsFirefox ESR: 68.0 - 68.0.2
External linkshttp://www.mozilla.org/en-US/security/advisories/mfsa2019-26/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU20820
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-11742
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to the way the same origin policy is applied to cached images in a combination of SVG filters and a element. A remote attacker can violate same-origin policy and access images from another domain.
Update to version 68.1.
Vulnerable software versionsFirefox ESR: 68.0 - 68.0.2
External linkshttp://www.mozilla.org/en-US/security/advisories/mfsa2019-26/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU20821
Risk: Low
CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-11736
CWE-ID:
CWE-65 - Windows hard link
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the Mozilla Maintenance Service does not guard against files being hardlinked to another file in the updates directory. A local user can create a hardlink to a privileged file and replace it with malicious one. Successful exploitation of the vulnerability may allow a local us to escalate privileges on the system.
Note, the vulnerability affects Windows installation only.
MitigationUpdate to version 68.1.
Vulnerable software versionsFirefox ESR: 68.0 - 68.0.2
External linkshttp://www.mozilla.org/en-US/security/advisories/mfsa2019-26/
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU20822
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-11753
CWE-ID:
CWE-354 - Improper Validation of Integrity Check Value
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the Mozilla Maintenance Service does not check integrity of the binary files that were installed into a custom and unprotected folder on the system. A local user can manipulate the Mozilla Maintenance Service to update this unprotected location and escalate privilege on the system.
Note, the vulnerability affects Windows installation only.
MitigationUpdate to version 68.1.
Vulnerable software versionsFirefox ESR: 68.0 - 68.0.2
External linkshttp://www.mozilla.org/en-US/security/advisories/mfsa2019-26/
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU20823
Risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-11752
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when extracting a key value in IndexedDB. A remote attacker can create specially crafted webpage, trick the victim into visiting it, trigger a user-after-free error by deleting the IndexedDB key value and subsequently make the application try to extract it during conversion.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
MitigationUpdate to version 68.1.
Vulnerable software versionsFirefox ESR: 68.0 - 68.0.2
External linkshttp://www.mozilla.org/en-US/security/advisories/mfsa2019-26/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU20824
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-9812
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to escape sandbox restrictions.
The vulnerability exists due to a combination of issues related to a compromised sandboxed content and the Firefox Sync ability to synchronize data with the malicious account. A remote attacker can can compromise a sandboxed content process using a different vulnerability, and then escape that sandbox by loading accounts.firefox.com
in that process and forcing a log-in to a malicious Firefox Sync account. Preference settings that disable the sandbox are then synchronized to the local machine and the compromised browser would restart without the sandbox if a crash is triggered.
Update to version 68.1.
Vulnerable software versionsFirefox ESR: 68.0 - 68.0.2
External linkshttp://www.mozilla.org/en-US/security/advisories/mfsa2019-26/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU20826
Risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-11743
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation of the unload
event. A remote attacker can create a specially crafted web page, trick the victim into visiting and gain access to user's history through timing side-channel attacks.
Update to version 68.1.
Vulnerable software versionsFirefox ESR: 68.0 - 68.0.2
External linkshttp://www.mozilla.org/en-US/security/advisories/mfsa2019-26/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU20827
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-11748
CWE-ID:
CWE-732 - Incorrect Permission Assignment for Critical Resource
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to collect sensitive information.
The vulnerability exists due to the WebRTC in Firefox honors persisted permissions given to sites for access to microphone and camera resources even when in a third-party context. A remote attacker that can create a specially crafted webpage that loads a trusted resource and trick the browser into allowing usage of microphone and camera resources.
MitigationUpdate to version 68.1.
Vulnerable software versionsFirefox ESR: 68.0 - 68.0.2
External linkshttp://www.mozilla.org/en-US/security/advisories/mfsa2019-26/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU20828
Risk: Low
CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-11749
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to an error in WebRTC that allows malicious web content use probing techniques on the getUserMedia
API with constraints to reveal device properties of cameras on the system without triggering a user prompt or notification. A remote attacker can use such behavior to fingerprint users.
Update to version 68.1.
Vulnerable software versionsFirefox ESR: 68.0 - 68.0.2
External linkshttp://www.mozilla.org/en-US/security/advisories/mfsa2019-26/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU20830
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-11750
CWE-ID:
CWE-843 - Type confusion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a type confusion error in Spidermonkey. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger a type confusion error and crash the affected application.
Update to version 68.1.
Vulnerable software versionsFirefox ESR: 68.0 - 68.0.2
External linkshttp://www.mozilla.org/en-US/security/advisories/mfsa2019-26/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU20832
Risk: Low
CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-11738
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass CSP.
The vulnerability exists due to incorrect processing of Content Security Policy (CSP) directive if a hash-based source takes the empty string as input, that leads to execution of any javascript:
URIs.
Update to version 68.1.
Vulnerable software versionsFirefox ESR: 68.0 - 68.0.2
External linkshttp://www.mozilla.org/en-US/security/advisories/mfsa2019-26/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU20833
Risk: Low
CVSSv3.1: 3.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-11747
CWE-ID:
CWE-399 - Resource Management Errors
Exploit availability: No
DescriptionThe vulnerability makes HSTS feature ineffective.
The vulnerability exists due to incorrect implementation of the "Forget about this site" feature in the History pane, intended to remove all saved user data that indicates a user has visited a site. This includes removing any HTTP Strict Transport Security (HSTS) settings received from sites that use it. Due to a bug, sites on the pre-load list also have their HSTS setting removed. On the next visit to that site if the user specifies an http:
URL rather than secure https:
they will not be protected by the pre-loaded HSTS setting. After that visit the site's HSTS setting will be restored.
Update to version 68.1.
Vulnerable software versionsFirefox ESR: 68.0 - 68.0.2
External linkshttp://www.mozilla.org/en-US/security/advisories/mfsa2019-26/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU20835
Risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-11735
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary errors when processing HTML content. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationUpdate to version 68.1.
Vulnerable software versionsFirefox ESR: 68.0 - 68.0.2
External linkshttp://www.mozilla.org/en-US/security/advisories/mfsa2019-26/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU20836
Risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-11740
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary errors when processing HTML content. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationUpdate to version 68.1.
Vulnerable software versionsFirefox ESR: 68.0 - 68.0.2
External linkshttp://www.mozilla.org/en-US/security/advisories/mfsa2019-26/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.