CVE-2023-49285

Denial of Service in HTTP Message Processing in Squid

Description

Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to a Buffer Overread bug Squid is vulnerable to a Denial of Service attack against Squid HTTP Message processing. This bug is fixed by Squid version 6.5. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Categories

8.6
CVSS
Severity: High
CVSS 3.1 •
EPSS 8.45% Top 10%
Vendor Advisory github.com
Affected: squid-cache squid
Published at:
Updated at:

References

Link Tags
https://github.com/squid-cache/squid/security/advisories/GHSA-8w9r-p88v-mmx9 vendor advisory
https://github.com/squid-cache/squid/commit/77b3fb4df0f126784d5fd4967c28ed40eb8d521b patch
https://github.com/squid-cache/squid/commit/deee944f9a12c9fd399ce52f3e2526bb573a9470 patch
http://www.squid-cache.org/Versions/v5/SQUID-2023_7.patch broken link
http://www.squid-cache.org/Versions/v6/SQUID-2023_7.patch broken link
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MEV66D3PAAY6K7TWDT3WZBLCPLASFJDC/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A5QASTMCUSUEW3UOMKHZJB3FTONWSRXS/
https://lists.debian.org/debian-lts-announce/2024/01/msg00003.html
https://security.netapp.com/advisory/ntap-20240119-0004/

Frequently Asked Questions

What is the severity of CVE-2023-49285?
CVE-2023-49285 has been scored as a high severity vulnerability.
How to fix CVE-2023-49285?
To fix CVE-2023-49285, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-49285 being actively exploited in the wild?
It is possible that CVE-2023-49285 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~8% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-49285?
CVE-2023-49285 affects squid-cache squid.
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