CVE-2020-15670

MEDIUM

Description

Mozilla developers reported memory safety bugs present in Firefox for Android 79. 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 < 80, Firefox ESR < 78.2, Thunderbird < 78.2, and Firefox for Android < 80.

References

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1651001%2C1653626%2C1656957

https://www.mozilla.org/security/advisories/mfsa2020-36/

https://www.mozilla.org/security/advisories/mfsa2020-38/

https://www.mozilla.org/security/advisories/mfsa2020-39/

https://www.mozilla.org/security/advisories/mfsa2020-41/

Details

Source: MITRE

Published: 2020-10-01

Updated: 2020-10-02

Type: CWE-763

Risk Information

CVSS v2.0

Base Score: 6.8

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3.0

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 2.8

Severity: HIGH