Out-of-bounds Read in Squid-cache Squid
CVE-2023-46724
Squid is a caching proxy for the Web. Due to an Improper Validation of Specified Index bug, Squid versions 3.3.0.1 through 5.9 and 6.0 prior to 6.4 compiled using `--with-openssl` are vulnerable to a Denial of Service attack against SSL Ce…
Vulnerability class: Buffer Overflow
EPSS: 0.004 (63.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Squid-cache Squid — versions >= 3.3.0.1, < 6.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- https://github.com/squid-cache/squid/security/advisories/GHSA-73m6-jm96-c6r3 (x_refsource_CONFIRM)
- https://github.com/squid-cache/squid/commit/b70f864940225dfe69f9f653f948e787f99c3810 (x_refsource_MISC)
- http://www.squid-cache.org/Versions/v5/SQUID-2023_4.patch (x_refsource_MISC)
- http://www.squid-cache.org/Versions/v6/SQUID-2023_4.patch (x_refsource_MISC)
- security.netapp.com/advisory/ntap-20231208-0001/
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/…
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/…
Frequently asked questions
- What is CVE-2023-46724?
- CVE-2023-46724 is a high-severity vulnerability in Squid-cache Squid, classified under Out-of-bounds Read. CVSS score: 8.6/10. Published 2023-11-01.
- How severe is CVE-2023-46724?
- High severity. CVSS v3 base score is 8.6 out of 10.
- Is CVE-2023-46724 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.