Insufficient Verification of Data Authenticity Affecting squid package, versions [,3.5.18)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
46.39% (98th percentile)

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  • Snyk IDSNYK-UNMANAGED-SQUID-2370863
  • published26 Jan 2022
  • disclosed10 May 2016
  • creditUnknown

Introduced: 10 May 2016

CVE-2016-4553  (opens in a new tab)
CWE-345  (opens in a new tab)

How to fix?

Upgrade squid to version 3.5.18 or higher.

Overview

Affected versions of this package are vulnerable to Insufficient Verification of Data Authenticity client_side.cc in Squid before 3.5.18 and 4.x before 4.0.10 does not properly ignore the Host header when absolute-URI is provided, which allows remote attackers to conduct cache-poisoning attacks via an HTTP request.

CVSS Scores

version 3.1