CVE-2021-31806 Information
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An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to a memory-management bug it is vulnerable to a Denial of Service attack (against all clients using the proxy) via HTTP Range request processing.
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Reference
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/[email protected]/message/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/ https://lists.fedoraproject.org/archives/list/[email protected]/message/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/ https://lists.debian.org/debian-lts-announce/2021/06/msg00014.html https://security.netapp.com/advisory/ntap-20210716-0007/
Attack Complexity
LOW
Privileges Required
LOW
User Interaction Required
LOW
Scope
NONE
Confidentiality Impact
UNCHANGED
Integrity Impact
NONE
Availability Impact
NONE
Base Score
HIGH
Base Severity
6.5