Description

Squid is a web proxy cache. Starting in version 3.5.27 and prior to version 6.8, Squid may be vulnerable to a Denial of Service attack against HTTP Chunked decoder due to an uncontrolled recursion bug. This problem allows a remote attacker to cause Denial of Service when sending a crafted, chunked, encoded HTTP Message. This bug is fixed in Squid version 6.8. In addition, patches addressing this problem for the stable releases can be found in Squid's patch archives. There is no workaround for this issue.

Classification

CVE ID: CVE-2024-25111

CVSS Base Severity: HIGH

CVSS Base Score: 8.6

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Affected Products

Vendor: squid-cache

Product: squid

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.18% (probability of being exploited)

EPSS Percentile: 56.31% (scored less or equal to compared to others)

EPSS Date: 2025-03-14 (when was this score calculated)

References

https://github.com/squid-cache/squid/security/advisories/GHSA-72c2-c3wm-8qxc
http://www.squid-cache.org/Versions/v6/SQUID-2024_1.patch
https://lists.fedoraproject.org/archives/list/[email protected]/message/7R4KPSO3MQT3KAOZV7LC2GG3CYMCGK7H/
https://lists.fedoraproject.org/archives/list/[email protected]/message/XWQHRDRHDM5PQTU6BHH4C5KGL37X6TVI/
https://security.netapp.com/advisory/ntap-20240605-0001/

Timeline