high
7.8
CWE
NVD-CWE-Other
Advisory Published
Updated

CVE-2009-2864

First published: Mon Sep 28 2009(Updated: )

Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 5.x before 5.1(3g), 6.x before 6.1(4), 7.0.x before 7.0(2a)su1, and 7.1.x before 7.1(2) allows remote attackers to cause a denial of service (service restart) via malformed SIP messages, aka Bug ID CSCsz95423.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco CallManager Express=5.0\(1\)
Cisco CallManager Express=5.0\(2\)
Cisco CallManager Express=5.0\(2a\)
Cisco CallManager Express=5.0\(3\)
Cisco CallManager Express=5.0\(3a\)
Cisco CallManager Express=5.0\(4\)
Cisco CallManager Express=5.0\(4a\)
Cisco CallManager Express=5.0\(4c\)
Cisco CallManager Express=5.1
Cisco CallManager Express=5.1\(1\)
Cisco CallManager Express=5.1\(1a\)
Cisco CallManager Express=5.1\(1c\)
Cisco CallManager Express=5.1\(2\)
Cisco CallManager Express=5.1\(2a\)
Cisco CallManager Express=5.1\(2b\)
Cisco CallManager Express=5.1\(3\)
Cisco CallManager Express=5.1\(3a\)
Cisco CallManager Express=5.1\(3b\)
Cisco CallManager Express=5.1\(3c\)
Cisco CallManager Express=6.0\(1\)
Cisco CallManager Express=6.0\(1a\)
Cisco CallManager Express=6.0\(1b\)
Cisco CallManager Express=6.1
Cisco CallManager Express=6.1\(1\)
Cisco CallManager Express=6.1\(1a\)
Cisco CallManager Express=6.1\(1b\)
Cisco CallManager Express=6.1\(2\)
Cisco Unified Communications Manager=5.1\(1b\)
Cisco Unified Communications Manager=5.1\(1c\)
Cisco Unified Communications Manager=5.1\(2\)
Cisco Unified Communications Manager=5.1\(2a\)
Cisco Unified Communications Manager=5.1\(3\)
Cisco Unified Communications Manager=5.1\(3a\)
Cisco Unified Communications Manager=5.1\(3c\)
Cisco Unified Communications Manager=5.1\(3d\)
Cisco Unified Communications Manager=5.1\(3e\)
Cisco Unified Communications Manager=6.1\(1\)
Cisco Unified Communications Manager=6.1\(1a\)
Cisco Unified Communications Manager=6.1\(1b\)
Cisco Unified Communications Manager=6.1\(2\)
Cisco Unified Communications Manager=6.1\(2\)su1
Cisco Unified Communications Manager=6.1\(2\)su1a
Cisco Unified Communications Manager=6.1\(3\)
Cisco Unified Communications Manager=7.0\(1\)
Cisco Unified Communications Manager=7.0\(2\)
Cisco Unified Communications Manager=7.1

Remedy

http://tools.cisco.com/security/center/viewAlert.x?alertId=18883

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2009-2864?

    CVE-2009-2864 has a high severity rating due to its potential to cause a denial of service through malformed SIP messages.

  • How do I fix CVE-2009-2864?

    To fix CVE-2009-2864, upgrade to the patched versions of Cisco Unified Communications Manager specified in the security advisory.

  • What versions of Cisco Unified Communications Manager are affected by CVE-2009-2864?

    CVE-2009-2864 affects Cisco Unified Communications Manager versions 5.x prior to 5.1(3g), 6.x prior to 6.1(4), and 7.0.x prior to 7.0(2a)su1.

  • How can CVE-2009-2864 be exploited?

    CVE-2009-2864 can be exploited by remote attackers sending specially crafted SIP messages to the affected Cisco devices.

  • Is there a known patch for CVE-2009-2864?

    Yes, Cisco provides specific patches for CVE-2009-2864 within the advised versions of their Unified Communications Manager software.

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