National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2020-6806 Detail

Current Description

By carefully crafting promise resolutions, it was possible to cause an out-of-bounds read off the end of an array resized during script execution. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 8.8 HIGH
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://packetstormsecurity.com/files/157524/Firefox-js-ReadableStreamCloseInternal-Out-Of-Bounds-Access.html
https://bugzilla.mozilla.org/show_bug.cgi?id=1612308 Issue Tracking Permissions Required
https://usn.ubuntu.com/4328-1/
https://usn.ubuntu.com/4335-1/
https://www.mozilla.org/security/advisories/mfsa2020-08/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-09/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-10/ Vendor Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-125 Out-of-bounds Read NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
74.0
 cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
68.6.0
 cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
68.6.0


Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-6806
NVD Published Date:
03/25/2020
NVD Last Modified:
04/22/2020