Integer overflow in Squid-Cache Squid
CVE-2022-41318
A buffer over-read was discovered in libntlmauth in Squid 2.5 through 5.6. Due to incorrect integer-overflow protection, the SSPI and SMB authentication helpers are vulnerable to reading unintended memory locations. In some configurations, cleartext credentials from these locations are sent to a client. This is fixed in 5.7.
Vulnerability class: Integer Overflow
Published · last modified .
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:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.028 (86.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.028 · newest: 0.028 · change: +0.000
Affected products
Weakness classification (CWE)
References
- github.com/squid-cache/squid/security/advisories/GHSA-394c-rr7q-6g78 (Patch, Third Party Advisory)
- www.squid-cache.org/Versions/v4/changesets/SQUID-2022_2.patch (Patch, Third Party Advisory)
- www.squid-cache.org/Versions/v5/changesets/SQUID-2022_2.patch (Patch, Third Party Advisory)
- www.openwall.com/lists/oss-security/2022/09/23/2 (Patch, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-41318?
- CVE-2022-41318 is a high-severity vulnerability in Squid-Cache Squid, classified under Integer Overflow or Wraparound. CVSS score: 8.6/10. Published 2022-12-25.
- How severe is CVE-2022-41318?
- High severity. CVSS v3 base score is 8.6 out of 10.