CVE-2021-28652 Information

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Description

An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to incorrect parser validation it allows a Denial of Service attack against the Cache Manager API. This allows a trusted client to trigger memory leaks that. over time lead to a Denial of Service via an unspecified short query string. This attack is limited to clients with Cache Manager API access privilege.

CVSS Vector

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

Reference

https://github.com/squid-cache/squid/security/advisories/GHSA-m47m-9hvw-7447 https://bugs.squid-cache.org/show_bug.cgi?id=5106 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

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

4.9