CVE-2023-49285
HIGH severity · CVSS 8.6 · CWE-126
8.6CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)89%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://github.com/squid-cache/squid/commit/77b3fb4df0f126784d5fd4967c28ed40eb8d521b ↗
Additional information
- NVD record
- https://github.com/squid-cache/squid/commit/77b3fb4df0f126784d5fd4967c28ed40eb8d521bPatch
- https://github.com/squid-cache/squid/commit/deee944f9a12c9fd399ce52f3e2526bb573a9470Patch
- https://github.com/squid-cache/squid/security/advisories/GHSA-8w9r-p88v-mmx9Advisory
- http://www.squid-cache.org/Versions/v5/SQUID-2023_7.patch
- http://www.squid-cache.org/Versions/v6/SQUID-2023_7.patch
- https://lists.debian.org/debian-lts-announce/2024/01/msg00003.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A5QASTMCUSUEW3UOMKHZJB3FTONWSRXS/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MEV66D3PAAY6K7TWDT3WZBLCPLASFJDC/