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Bug 1405941 - (CVE-2016-10002) CVE-2016-10002 squid: Information disclosure in HTTP request processing
CVE-2016-10002 squid: Information disclosure in HTTP request processing
Status: CLOSED ERRATA
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20161216,repor...
: Security
Depends On: 1405944 1412733 1412734 1412735 1412736
Blocks: 1405945
  Show dependency tree / graph
 
Reported: 2016-12-19 04:06 EST by Andrej Nemec
Modified: 2017-01-24 05:51 EST (History)
8 users (show)

See Also:
Fixed In Version: squid 3.5.23, squid 4.0.17
Doc Type: If docs needed, set a value
Doc Text:
It was found that squid did not properly remove connection specific headers when answering conditional requests using a cached request. A remote attacker could send a specially crafted request to an HTTP server via the squid proxy and steal private data from other connections.
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Clone Of:
Environment:
Last Closed: 2017-01-24 05:51:37 EST
Type: ---
Regression: ---
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Documentation: ---
CRM:
Verified Versions:
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2017:0182 normal SHIPPED_LIVE Moderate: squid security update 2017-01-24 10:05:12 EST
Red Hat Product Errata RHSA-2017:0183 normal SHIPPED_LIVE Moderate: squid34 security update 2017-01-24 10:04:54 EST

  None (edit)
Description Andrej Nemec 2016-12-19 04:06:35 EST 
Due to incorrect HTTP conditional request handling Squid can deliver responses containing private data to clients it should not have reached.

This problem allows a remote attacker to discover private and sensitive information about another clients browsing session. Potentially including credentials which allow access to further sensitive resources.

External References:

http://www.squid-cache.org/Advisories/SQUID-2016_11.txt

References:

http://seclists.org/oss-sec/2016/q4/699

Upstream bug:

http://bugs.squid-cache.org/show_bug.cgi?id=4169
Comment 1 Andrej Nemec 2016-12-19 04:11:51 EST 
Created squid tracking bugs for this issue:

Affects: fedora-all [bug 1405944]
Comment 6 errata-xmlrpc 2017-01-24 05:05:33 EST 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2017:0183 https://rhn.redhat.com/errata/RHSA-2017-0183.html
Comment 7 errata-xmlrpc 2017-01-24 05:05:51 EST 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2017:0182 https://rhn.redhat.com/errata/RHSA-2017-0182.html
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