Vulnerability Name:

CVE-2020-6801 (CCN-176077)

Assigned:2020-02-11
Published:2020-02-11
Updated:2022-01-01
Summary:Mozilla developers reported memory safety bugs present in Firefox 72. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 73.
CVSS v3 Severity:8.8 High (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 (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
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:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
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-787
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-6801

Source: MISC
Type: Broken Link, Issue Tracking
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1601024%2C1601712%2C1604836%2C1606492

Source: XF
Type: UNKNOWN
firefox-cve20206801-code-exec(176077)

Source: UBUNTU
Type: Third Party Advisory
USN-4278-2

Source: CCN
Type: Mozilla Foundation Security Advisory 2020-05
Security Vulnerabilities fixed in Firefox 73

Source: MISC
Type: Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-05/

Vulnerable Configuration:Configuration 1:
  • cpe:/a:mozilla:firefox:*:*:*:*:*:*:*:* (Version < 73.0)

    • Configuration 2:
  • cpe:/o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*

    • Configuration CCN 1:
  • cpe:/a:mozilla:firefox:72:*:*:*:*:*:*:*

    • * 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.bionic:def:202068010000000
    V
    		CVE-2020-6801 on Ubuntu 18.04 LTS (bionic) - medium.
    2020-03-02
    oval:com.ubuntu.xenial:def:202068010000000
    V
    		CVE-2020-6801 on Ubuntu 16.04 LTS (xenial) - medium.
    2020-03-02
    BACK
    mozilla firefox *
    canonical ubuntu linux 16.04
    mozilla firefox 72