Vulnerability Name:

CVE-2019-11734 (CCN-166398)

Assigned:2019-09-03
Published:2019-09-03
Updated:2021-07-21
Summary:Mozilla developers and community members reported memory safety bugs present in Firefox 68. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 69.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
8.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.7 High (CCN Temporal CVSS v3.1 Vector: 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)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
9.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-120
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2019-11734

Source: MISC
Type: Issue Tracking, Not Applicable, Vendor Advisory
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1352875%2C1536227%2C1557208%2C1560641

Source: XF
Type: UNKNOWN
firefox-cve201911734-code-exec(166398)

Source: CCN
Type: Mozilla Foundation Security Advisory 2019-25
Security vulnerabilities fixed in Firefox 69

Source: CONFIRM
Type: Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-25/

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2019-11734

Vulnerable Configuration:Configuration 1:
  • cpe:/a:mozilla:firefox:*:*:*:*:*:*:*:* (Version < 69.0)

    • Configuration CCN 1:
  • cpe:/a:mozilla:firefox:68:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:111899
    P
    		MozillaFirefox-92.0-1.2 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:105476
    P
    		MozillaFirefox-92.0-1.2 on GA media (Moderate)
    2021-10-01
    oval:com.ubuntu.disco:def:2019117340000000
    V
    		CVE-2019-11734 on Ubuntu 19.04 (disco) - medium.
    2019-09-27
    oval:com.ubuntu.bionic:def:2019117340000000
    V
    		CVE-2019-11734 on Ubuntu 18.04 LTS (bionic) - medium.
    2019-09-27
    oval:com.ubuntu.xenial:def:2019117340000000
    V
    		CVE-2019-11734 on Ubuntu 16.04 LTS (xenial) - medium.
    2019-09-27
    BACK
    mozilla firefox *
    mozilla firefox 68