Description
An issue was discovered in Squid 2.x, 3.x, and 4.x through 4.8. Due to incorrect data management, it is vulnerable to information disclosure when processing HTTP Digest Authentication. Nonce tokens contain the raw byte value of a pointer that sits within heap memory allocation. This information reduces ASLR protections and may aid attackers isolating memory areas to target for remote code execution attacks.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://github.com/squid-cache/squid/pull/491 ↗
- https://bugzilla.suse.com/show_bug.cgi?id=1156324 ↗
- http://www.squid-cache.org/Advisories/SQUID-2019_11.txt ↗
- http://www.squid-cache.org/Versions/v4/changesets/squid-4-671ba97abe929156dc4c717ee52ad22fba0f7443.patch ↗
- https://usn.ubuntu.com/4213-1/ ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UEMOYTMCCFWK5NOXSXEIH5D2VGWVXR67/ ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTM74TU2BSLT5B3H4F3UDW53672NVLMC/ ↗
- https://lists.debian.org/debian-lts-announce/2019/12/msg00011.html ↗
- https://security.gentoo.org/glsa/202003-34 ↗
- https://www.debian.org/security/2020/dsa-4682 ↗
- https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html ↗