medium
4.3
CWE
200 476
Advisory Published
Updated

CVE-2011-4598: Infoleak

First published: Thu Dec 15 2011(Updated: )

The handle_request_info function in channels/chan_sip.c in Asterisk Open Source 1.6.2.x before 1.6.2.21 and 1.8.x before 1.8.7.2, when automon is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted sequence of SIP requests.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Asterisk=1.8.0
Asterisk=1.8.0-beta1
Asterisk=1.8.0-beta2
Asterisk=1.8.0-beta3
Asterisk=1.8.0-beta4
Asterisk=1.8.0-beta5
Asterisk=1.8.0-rc2
Asterisk=1.8.0-rc3
Asterisk=1.8.0-rc4
Asterisk=1.8.0-rc5
Asterisk=1.8.1
Asterisk=1.8.1-rc1
Asterisk=1.8.1.1
Asterisk=1.8.1.2
Asterisk=1.8.2
Asterisk=1.8.2.1
Asterisk=1.8.2.2
Asterisk=1.8.2.3
Asterisk=1.8.2.4
Asterisk=1.8.3
Asterisk=1.8.3-rc1
Asterisk=1.8.3-rc2
Asterisk=1.8.3-rc3
Asterisk=1.8.3.1
Asterisk=1.8.3.2
Asterisk=1.8.3.3
Asterisk=1.8.4
Asterisk=1.8.4-rc1
Asterisk=1.8.4-rc2
Asterisk=1.8.4-rc3
Asterisk=1.8.4.1
Asterisk=1.8.4.2
Asterisk=1.8.4.3
Asterisk=1.8.4.4
Asterisk=1.8.5
Asterisk=1.8.5-rc1
Asterisk=1.8.5.0
Asterisk=1.8.6.0
Asterisk=1.8.6.0-rc1
Asterisk=1.8.6.0-rc2
Asterisk=1.8.6.0-rc3
Asterisk=1.8.7.0
Asterisk=1.8.7.0-rc1
Asterisk=1.8.7.0-rc2
Asterisk=1.8.7.1
Asterisk=1.6.2.0
Asterisk=1.6.2.0-rc2
Asterisk=1.6.2.0-rc3
Asterisk=1.6.2.0-rc4
Asterisk=1.6.2.0-rc5
Asterisk=1.6.2.0-rc6
Asterisk=1.6.2.0-rc7
Asterisk=1.6.2.0-rc8
Asterisk=1.6.2.1
Asterisk=1.6.2.1-rc1
Asterisk=1.6.2.2
Asterisk=1.6.2.3-rc2
Asterisk=1.6.2.4
Asterisk=1.6.2.5
Asterisk=1.6.2.6
Asterisk=1.6.2.6-rc1
Asterisk=1.6.2.6-rc2
Asterisk=1.6.2.15-rc1
Asterisk=1.6.2.16
Asterisk=1.6.2.16-rc1
Asterisk=1.6.2.16.1
Asterisk=1.6.2.16.2
Asterisk=1.6.2.17
Asterisk=1.6.2.17-rc1
Asterisk=1.6.2.17-rc2
Asterisk=1.6.2.17-rc3
Asterisk=1.6.2.17.1
Asterisk=1.6.2.17.2
Asterisk=1.6.2.17.3
Asterisk=1.6.2.18
Asterisk=1.6.2.18-rc1
Asterisk=1.6.2.19
Asterisk=1.6.2.19-rc1
Asterisk=1.6.2.20
Asterisk=1.6.2.21

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2011-4598?

    CVE-2011-4598 has a severity that may lead to a denial of service, causing the Asterisk service to crash.

  • How do I fix CVE-2011-4598?

    To fix CVE-2011-4598, upgrade Asterisk to version 1.6.2.21 or 1.8.7.2 or later.

  • What software is affected by CVE-2011-4598?

    Asterisk Open Source versions 1.6.2.x before 1.6.2.21 and 1.8.x before 1.8.7.2 are affected by CVE-2011-4598.

  • Can CVE-2011-4598 be exploited remotely?

    Yes, CVE-2011-4598 can be exploited by remote attackers through crafted SIP requests.

  • What is the impact of exploiting CVE-2011-4598?

    Exploiting CVE-2011-4598 can lead to a null pointer dereference and result in a crash of the Asterisk daemon.

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