CVE-2016-4554

Publication date 10 May 2016

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

8.6 · High

Score breakdown

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
squid3 16.04 LTS xenial
Fixed 3.5.12-1ubuntu7.2
15.10 wily
Fixed 3.3.8-1ubuntu16.3
14.04 LTS trusty
Fixed 3.3.8-1ubuntu6.8
12.04 LTS precise
Fixed 3.1.19-1ubuntu3.12.04.7

Notes


mdeslaur

see also regression fix in: http://bugs.squid-cache.org/show_bug.cgi?id=4515

Severity score breakdown

Parameter Value
Base score 8.6 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Changed
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

References

Related Ubuntu Security Notices (USN)

Other references