CVE Vulnerability

CVE-2020-6822

On 32-bit builds, an out of bounds write could have occurred when processing an image larger than 4 GB in GMPDecodeData. It is possible that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 68.7.0, Firefox ESR < 68.7, and Firefox < 75.

6.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

8.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://www.mozilla.org/security/advisories/mfsa2020-13/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-14/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-12/ Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1544181 Issue Tracking Permissions Required
https://usn.ubuntu.com/4335-1/ Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Information

Published : 2020-04-24 04:15

Updated : 2020-05-01 01:44

NVD link : CVE-2020-6822

Mitre link : CVE-2020-6822

Products Affected
No products.
CWE
CWE-787