Bug 1334233 (CVE-2016-4553, SQUID-2016:7) - CVE-2016-4553 squid: Cache poisoning issue in HTTP Request handling
Summary: CVE-2016-4553 squid: Cache poisoning issue in HTTP Request handling
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2016-4553, SQUID-2016:7
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1334251 1334506 1334507 1334508 1334509
Blocks: 1334247
TreeView+ depends on / blocked
 
Reported: 2016-05-09 09:00 UTC by Andrej Nemec
Modified: 2021-02-17 03:54 UTC (History)
7 users (show)

Fixed In Version: squid 3.5.18
Doc Type: Bug Fix
Doc Text:
An input validation flaw was found in the way Squid handled intercepted HTTP Request messages. An attacker could use this flaw to bypass the protection against issues related to CVE-2009-0801, and perform cache poisoning attacks on Squid.
Clone Of:
Environment:
Last Closed: 2016-06-09 12:43:19 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2016:1139 0 normal SHIPPED_LIVE Moderate: squid security update 2016-05-31 09:42:41 UTC
Red Hat Product Errata RHSA-2016:1140 0 normal SHIPPED_LIVE Moderate: squid34 security update 2016-05-31 09:56:07 UTC

Description Andrej Nemec 2016-05-09 09:00:32 UTC 
Due to incorrect data validation of intercepted HTTP Request messages Squid is vulnerable to clients bypassing the protection against CVE-2009-0801 related issues. This leads to cache poisoning.

External references:

http://www.squid-cache.org/Advisories/SQUID-2016_7.txt

Upstream fix:

http://www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-14039.patch
Comment 1 Andrej Nemec 2016-05-09 09:20:37 UTC 
Created squid tracking bugs for this issue:

Affects: fedora-all [bug 1334251]
Comment 7 errata-xmlrpc 2016-05-31 05:43:11 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2016:1139 https://access.redhat.com/errata/RHSA-2016:1139
Comment 8 errata-xmlrpc 2016-05-31 05:56:54 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2016:1140 https://access.redhat.com/errata/RHSA-2016:1140
Comment 9 Fedora Update System 2016-07-12 20:27:46 UTC 
squid-3.5.19-2.fc24 has been pushed to the Fedora 24 stable repository. If problems still persist, please make note of it in this bug report.
Comment 10 Fedora Update System 2016-07-12 23:52:30 UTC 
squid-3.5.10-4.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.
Comment 11 Doran Moppert 2016-08-24 23:24:49 UTC 
This issue has now been publicised as "Host of troubles" aka Cert VU#916855.  Red Hat products were patched in May and July, no further action is needed.

External URL:  https://hostoftroubles.com/
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