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Test ID:
Category:Denial of Service
Title:Squid Proxy Cache Security Update Advisory SQUID-2020:9
Summary:Squid is prone to a denial of service vulnerability when processing Cache; Digest responses.
Squid is prone to a denial of service vulnerability when processing Cache
Digest responses.

Vulnerability Insight:
Due to Improper Input Validation Squid is vulnerable to a denial of service
attack against the machine operating Squid.

Vulnerability Impact:
This problem allows a trusted peer to perform a Denial of Service by
consuming all available CPU cycles on the machine running Squid when handling a crafted Cache Digest response

This attack is limited to Squid using cache_peer with cache digests feature.

Affected Software/OS:
Squid versions 3.0 - 4.12 and 5.0.1 - 5.0.3.

Update to version 4.13, 5.0.4 or later.

CVSS Score:

CVSS Vector:

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2020-24606
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