MitreCVELIST:CVE-2019-18679CVE-2019-18679
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.
References
www.squid-cache.org/Advisories/SQUID-2019_11.txt
www.squid-cache.org/Versions/v4/changesets/squid-4-671ba97abe929156dc4c717ee52ad22fba0f7443.patch
bugzilla.suse.com/show_bug.cgi?id=1156324
github.com/squid-cache/squid/pull/491
lists.debian.org/debian-lts-announce/2019/12/msg00011.html
lists.debian.org/debian-lts-announce/2020/07/msg00009.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTM74TU2BSLT5B3H4F3UDW53672NVLMC/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UEMOYTMCCFWK5NOXSXEIH5D2VGWVXR67/
security.gentoo.org/glsa/202003-34
usn.ubuntu.com/4213-1/
www.debian.org/security/2020/dsa-4682
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