CVE-2021-23968

Description

If Content Security Policy blocked frame navigation, the full destination of a redirect served in the frame was reported in the violation report; as opposed to the original frame URI. This could be used to leak sensitive information contained in such URIs. This vulnerability affects Firefox < 86, Thunderbird < 78.8, and Firefox ESR < 78.8.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1687342

https://lists.debian.org/debian-lts-announce/2021/03/msg00000.html

https://security.gentoo.org/glsa/202104-09

https://security.gentoo.org/glsa/202104-10

https://www.debian.org/security/2021/dsa-4866

https://www.mozilla.org/security/advisories/mfsa2021-07/

https://www.mozilla.org/security/advisories/mfsa2021-08/

https://www.mozilla.org/security/advisories/mfsa2021-09/

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3