CVE-2016-4553 — Insufficient Verification of Data Authenticity in Squid
Severity
8.6HIGHNVD
EPSS
82.8%
top 0.75%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMay 10
Latest updateMay 13
Description
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 vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:NExploitability: 3.9 | Impact: 4.0
Affected Packages2 packages
Also affects: Ubuntu Linux 12.04, 14.04, 15.10, 16.04