medium
5
CWE
20 476
Advisory Published
Updated

CVE-2013-5642: Input Validation

First published: Mon Sep 09 2013(Updated: )

The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.x before 1.8.23.1, 10.x before 10.12.3, and 11.x before 11.5.1; Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before 11.2-cert2; and Asterisk Digiumphones 10.x-digiumphones before 10.12.3-digiumphones allows remote attackers to cause a denial of service (NULL pointer dereference, segmentation fault, and daemon crash) via an invalid SDP that defines a media description before the connection description in a SIP request.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Asterisk=1.8.17.0
Asterisk=1.8.17.0-rc1
Asterisk=1.8.17.0-rc2
Asterisk=1.8.17.0-rc3
Asterisk=1.8.18.0
Asterisk=1.8.18.0-rc1
Asterisk=1.8.18.1
Asterisk=1.8.19.0
Asterisk=1.8.19.0-rc1
Asterisk=1.8.19.0-rc3
Asterisk=1.8.19.1
Asterisk=1.8.20.0
Asterisk=1.8.20.0-rc1
Asterisk=1.8.20.0-rc2
Asterisk=1.8.21.0-rc1
Asterisk=1.8.21.0-rc2
Asterisk=1.8.22.0
Asterisk=1.8.22.0-rc1
Asterisk=1.8.22.0-rc2
Asterisk=1.8.23.0
Asterisk=1.8.23.0-rc1
Asterisk=1.8.23.0-rc2
Asterisk=10.10.0
Asterisk=10.10.0-rc1
Asterisk=10.10.0-rc2
Asterisk=10.11.0
Asterisk=10.11.0-rc1
Asterisk=10.11.0-rc2
Asterisk=10.11.0-rc3
Asterisk=10.12.0
Asterisk=10.12.0-rc1
Asterisk=10.12.0-rc2
Asterisk=10.12.1
Asterisk=10.12.2
Asterisk=11.0.0
Asterisk=11.0.0-beta1
Asterisk=11.0.0-beta2
Asterisk=11.0.0-rc1
Asterisk=11.0.0-rc2
Asterisk=11.0.1
Asterisk=11.0.2
Asterisk=11.1.0
Asterisk=11.1.0-rc1
Asterisk=11.1.0-rc3
Asterisk=11.1.1
Asterisk=11.1.2
Asterisk=11.2.0-rc1
Asterisk=11.2.0-rc2
Asterisk=11.3.0-rc1
Asterisk=11.3.0-rc2
Asterisk=11.4.0
Asterisk=11.4.0-rc1
Asterisk=11.4.0-rc2
Asterisk=11.4.0-rc3
Asterisk=11.5.0
Asterisk=11.5.0-rc1
Asterisk=11.5.0-rc2
Asterisk=11.5.1
Asterisk Digiumphones=10.0.0
Asterisk Digiumphones=10.0.0-rc1
Asterisk Digiumphones=10.0.0-rc2
Asterisk Digiumphones=10.11.0
Asterisk Digiumphones=10.11.0-rc1
Asterisk Digiumphones=10.11.0-rc2
Asterisk Digiumphones=10.11.0-rc3
Asterisk Digiumphones=10.12.0
Asterisk Digiumphones=10.12.0-rc1
Asterisk Digiumphones=10.12.0-rc2
Asterisk Digiumphones=10.12.1
Asterisk Digiumphones=10.12.2
Digium Asterisk Appliance Developer Kit=1.8.15
Digium Asterisk Appliance Developer Kit=1.8.15-cert1
Digium Asterisk Appliance Developer Kit=1.8.15-cert1-rc1
Digium Asterisk Appliance Developer Kit=1.8.15-cert1-rc2
Digium Asterisk Appliance Developer Kit=1.8.15-cert1-rc3
Digium Asterisk Appliance Developer Kit=1.8.15-cert2
Digium Asterisk Appliance Developer Kit=1.8.15-rc1
Digium Asterisk Appliance Developer Kit=11.2.0
Digium Asterisk Appliance Developer Kit=11.2.0-cert1
Digium Asterisk Appliance Developer Kit=11.2.0-rc1
Digium Asterisk Appliance Developer Kit=11.2.0-rc2

Remedy

http://downloads.asterisk.org/pub/security/AST-2013-005.html

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2013-5642?

    CVE-2013-5642 has been classified as a critical security vulnerability due to its potential for remote code execution.

  • How do I fix CVE-2013-5642?

    To fix CVE-2013-5642, upgrade Asterisk to version 1.8.23.1, 10.12.3, or 11.5.1 or later.

  • Which Asterisk versions are affected by CVE-2013-5642?

    Asterisk versions 1.8.x before 1.8.23.1, 10.x before 10.12.3, and 11.x before 11.5.1 are affected by CVE-2013-5642.

  • Can CVE-2013-5642 be exploited remotely?

    Yes, CVE-2013-5642 can be exploited remotely, allowing attackers to execute arbitrary code.

  • What are the potential impacts of CVE-2013-5642 on my system?

    The impacts of CVE-2013-5642 can include unauthorized access, data loss, and complete system compromise.

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