CVE-2020-15664

medium

Description

By holding a reference to the eval() function from an about:blank window, a malicious webpage could have gained access to the InstallTrigger object which would allow them to prompt the user to install an extension. Combined with user confusion, this could result in an unintended or malicious extension being installed. This vulnerability affects Firefox < 80, Thunderbird < 78.2, Thunderbird < 68.12, Firefox ESR < 68.12, Firefox ESR < 78.2, and Firefox for Android < 80.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1658214

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

https://www.mozilla.org/security/advisories/mfsa2020-37/

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

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

https://www.mozilla.org/security/advisories/mfsa2020-40/

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

Details

Source: Mitre, NVD

Published: 2020-10-01

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Severity: Medium