high
7.8
CWE
20
Advisory Published
Updated

CVE-2013-1839: Input Validation

First published: Mon Sep 30 2013(Updated: )

The strHdrAcptLangGetItem function in errorpage.cc in Squid 3.2.x before 3.2.9 and 3.3.x before 3.3.3 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a "," character in an Accept-Language header.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Squid Web Proxy Cache=3.2.0.1
Squid Web Proxy Cache=3.2.0.2
Squid Web Proxy Cache=3.2.0.3
Squid Web Proxy Cache=3.2.0.4
Squid Web Proxy Cache=3.2.0.5
Squid Web Proxy Cache=3.2.0.6
Squid Web Proxy Cache=3.2.0.7
Squid Web Proxy Cache=3.2.0.8
Squid Web Proxy Cache=3.2.0.9
Squid Web Proxy Cache=3.2.0.10
Squid Web Proxy Cache=3.2.0.11
Squid Web Proxy Cache=3.2.0.12
Squid Web Proxy Cache=3.2.0.13
Squid Web Proxy Cache=3.2.0.14
Squid Web Proxy Cache=3.2.0.15
Squid Web Proxy Cache=3.2.0.16
Squid Web Proxy Cache=3.2.0.17
Squid Web Proxy Cache=3.2.0.18
Squid Web Proxy Cache=3.2.0.19
Squid Web Proxy Cache=3.2.1
Squid Web Proxy Cache=3.2.2
Squid Web Proxy Cache=3.2.3
Squid Web Proxy Cache=3.2.4
Squid Web Proxy Cache=3.2.5
Squid Web Proxy Cache=3.2.6
Squid Web Proxy Cache=3.2.7
Squid Web Proxy Cache=3.2.8
Squid Web Proxy Cache=3.3.0
Squid Web Proxy Cache=3.3.0.2
Squid Web Proxy Cache=3.3.0.3
Squid Web Proxy Cache=3.3.1
Squid Web Proxy Cache=3.3.2

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2013-1839?

    CVE-2013-1839 has a high severity rating as it leads to denial of service through CPU exhaustion.

  • How do I fix CVE-2013-1839?

    To fix CVE-2013-1839, upgrade your Squid instance to version 3.2.9 or 3.3.3 or later.

  • What versions of Squid are affected by CVE-2013-1839?

    CVE-2013-1839 affects Squid versions 3.2.x prior to 3.2.9 and 3.3.x prior to 3.3.3.

  • What type of attack is associated with CVE-2013-1839?

    CVE-2013-1839 allows attackers to exploit a vulnerability in the Accept-Language header, causing an infinite loop.

  • Can CVE-2013-1839 be exploited remotely?

    Yes, CVE-2013-1839 can be exploited remotely by sending a specially crafted Accept-Language header.

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