CVE-2020-15659

CVSS V2 High 9.3 CVSS V3 High 8.8
Description
Mozilla developers and community members reported memory safety bugs present in Firefox 78 and Firefox ESR 78.0. 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 < 79, Firefox ESR < 68.11, Firefox ESR < 78.1, Thunderbird < 68.11, and Thunderbird < 78.1.
Overview
  • CVE ID
  • CVE-2020-15659
  • Assigner
  • security@mozilla.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-08-10T18:15:12
  • Last Modified Date
  • 2020-08-21T18:21:01
Weakness Enumerations
CWE URL
CWE-787 http://cwe.mitre.org/data/definitions/787.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* 1 OR 79.0
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* 1 OR 68.11
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* 1 OR 78.0 78.1.0
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* 1 OR 68.11
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* 1 OR 78.0.1 78.1.0
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:C/I:C/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 9.3
  • Severity
  • HIGH
  • Exploitability Score
  • 8.6
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 8.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 2.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://www.mozilla.org/security/advisories/mfsa2020-31/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-32/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-30/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-35/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-33/ Vendor Advisory
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1550133%2C1633880%2C1643613%2C1644839%2C1645835%2C1646006%2C1646787%2C1649347%2C1650811%2C1651678 Issue Tracking Permissions Required Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00022.html Mailing List Patch Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.html Mailing List Patch Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00032.html Mailing List Patch Third Party Advisory
https://usn.ubuntu.com/4443-1/ Patch Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-15659
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15659
History
Created Old Value New Value Data Type Notes
2022-05-10 17:19:15 Added to TrackCVE
2022-12-04 20:45:38 2020-08-10T18:15Z 2020-08-10T18:15:12 CVE Published Date updated
2022-12-04 20:45:38 2020-08-21T18:21:01 CVE Modified Date updated
2022-12-04 20:45:38 Analyzed Vulnerability Status updated