8.6
CVSSv3

CVE-2016-4554

Published: 10/05/2016 Updated: 27/12/2019
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 8.6 | Impact Score: 4 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N

Vulnerability Summary

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

Vulnerability Trend

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oracle linux 7

oracle linux 6

squid-cache squid

canonical ubuntu linux 14.04

canonical ubuntu linux 12.04

canonical ubuntu linux 16.04

canonical ubuntu linux 15.10

Vendor Advisories

Debian Bug report logs - #823968 squid3: CVE-2016-4553 CVE-2016-4554 CVE-2016-4555 CVE-2016-4556 Package: src:squid3; Maintainer for src:squid3 is Luigi Gangitano <luigi@debianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Tue, 10 May 2016 20:12:01 UTC Severity: important Tags: fixed-upstream, sec ...
Several security issues were fixed in Squid ...
Several security issues have been discovered in the Squid caching proxy CVE-2016-4051: CESG and Yuriy M Kaminskiy discovered that Squid cachemgrcgi was vulnerable to a buffer overflow when processing remotely supplied inputs relayed through Squid CVE-2016-4052: CESG discovered that a buffer overflow made Squid vulnerable to a ...
A buffer overflow flaw was found in the way the Squid cachemgrcgi utility processed remotely relayed Squid input When the CGI interface utility is used, a remote attacker could possibly use this flaw to execute arbitrary code (CVE-2016-4051) Buffer overflow and input validation flaws were found in the way Squid processed ESI responses If Squid ...
An input validation flaw was found in Squid's mime_get_header_field() function, which is used to search for headers within HTTP requests An attacker could send an HTTP request from the client side with specially crafted header Host header that bypasses same-origin security protections, causing Squid operating as interception or reverse-proxy to co ...