CWE
189
Advisory Published
Updated

CVE-2011-4971

First published: Thu Dec 12 2013(Updated: )

Multiple integer signedness errors in the (1) process_bin_sasl_auth, (2) process_bin_complete_sasl_auth, (3) process_bin_update, and (4) process_bin_append_prepend functions in Memcached 1.4.5 and earlier allow remote attackers to cause a denial of service (crash) via a large body length value in a packet.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Php Memcached=1.4.2
Php Memcached=1.2.7
Php Memcached=1.4.4
Php Memcached=1.4.3
Php Memcached<=1.4.5
Php Memcached=1.4.0
Php Memcached=1.2.8
Php Memcached=1.4.1

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Frequently Asked Questions

  • What is the severity of CVE-2011-4971?

    CVE-2011-4971 is characterized as a denial of service vulnerability due to integer signedness errors.

  • How do I fix CVE-2011-4971?

    To address CVE-2011-4971, upgrade Memcached to version 1.4.6 or later where the vulnerability has been patched.

  • Which versions of Memcached are affected by CVE-2011-4971?

    CVE-2011-4971 affects Memcached versions 1.4.5 and earlier, along with various earlier versions.

  • Can CVE-2011-4971 be exploited remotely?

    Yes, CVE-2011-4971 can be exploited by remote attackers to crash the Memcached server.

  • What functions in Memcached are vulnerable in CVE-2011-4971?

    The processes 'process_bin_sasl_auth', 'process_bin_complete_sasl_auth', 'process_bin_update', and 'process_bin_append_prepend' are vulnerable in CVE-2011-4971.

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