Insufficient verification of data authenticity in Squid - CVE-2016-4554

 

Insufficient verification of data authenticity in Squid - CVE-2016-4554

Published: May 10, 2016 / Updated: July 28, 2020


Vulnerability identifier: #VU32271
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2016-4554
CWE-ID: CWE-345
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Squid-cache.org
Affected software:
Squid

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to manipulate data.

mime_header.cc in Squid before 3.5.18 allows remote attackers to bypass intended same-origin restrictions and possibly conduct cache-poisoning attacks via a crafted HTTP Host header, aka a "header smuggling" issue.


How to mitigate CVE-2016-4554

Install update from vendor's website.

Sources