CVE-2021-31808

Summary

An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to an input-validation bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy). A client sends an HTTP Range request to trigger this.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• https://github.com/squid-cache/squid/security/advisories/GHSA-pxwq-f3qr-w2xf
• http://www.squid-cache.org/Versions/v4/changesets/squid-4-e7cf864f938f24eea8af0692c04d16790983c823.patch
• https://www.debian.org/security/2021/dsa-4924
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/
• https://lists.debian.org/debian-lts-announce/2021/06/msg00014.html
• https://security.netapp.com/advisory/ntap-20210716-0007/
• http://www.openwall.com/lists/oss-security/2023/10/11/3
• http://seclists.org/fulldisclosure/2023/Oct/14

References

• https://github.com/squid-cache/squid/security/advisories/GHSA-pxwq-f3qr-w2xf
• http://www.squid-cache.org/Versions/v4/changesets/squid-4-e7cf864f938f24eea8af0692c04d16790983c823.patch
• https://www.debian.org/security/2021/dsa-4924
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/
• https://lists.debian.org/debian-lts-announce/2021/06/msg00014.html
• https://security.netapp.com/advisory/ntap-20210716-0007/
• http://www.openwall.com/lists/oss-security/2023/10/11/3
• http://seclists.org/fulldisclosure/2023/Oct/14

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