CVE-2009-2052
First published: Thu Aug 27 2009(Updated: )
Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x, 5.x before 5.1(3g), 6.x before 6.1(4), 7.0 before 7.0(2), and 7.1 before 7.1(2); and Cisco Unified Presence 1.x, 6.x before 6.0(6), and 7.x before 7.0(4); allows remote attackers to cause a denial of service (TCP services outage) via a large number of TCP connections, related to "tracking of network connections," aka Bug IDs CSCsq22534 and CSCsw52371.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Unified Communications Manager Session Management Edition | >=6.1\(1\)<6.1\(4\) | |
| Cisco Unified Communications Manager Session Management Edition | >=5.0<5.1\(3g\) | |
| Cisco Unified Communications Manager Session Management Edition | >=7.1<7.1\(2\) | |
| Cisco Unified Communications Manager Session Management Edition | >=7.0<7.0\(2\) |
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Reference Links
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080af2d11.shtml
- http://www.securityfocus.com/bid/36152
- http://www.securitytracker.com/id?1022775
- http://secunia.com/advisories/36498
- http://secunia.com/advisories/36499
- http://www.securityfocus.com/bid/36676
- http://securitytracker.com/id?1023018
- http://www.vupen.com/english/advisories/2009/2915
- http://secunia.com/advisories/37039
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080afc930.shtml
Frequently Asked Questions
What versions of Cisco Unified Communications Manager are affected by CVE-2009-2052?
CVE-2009-2052 affects Cisco Unified Communications Manager versions 4.x, 5.x before 5.1(3g), 6.x before 6.1(4), 7.0 before 7.0(2), and 7.1 before 7.1(2).
What is the impact of CVE-2009-2052?
CVE-2009-2052 can lead to a denial of service, allowing remote attackers to disrupt TCP services of the affected systems.
How can I mitigate CVE-2009-2052?
Mitigation for CVE-2009-2052 involves updating the Cisco Unified Communications Manager to a version that is not affected, such as version 5.1(3g) or later.
What is the recommended action for users of affected Cisco products regarding CVE-2009-2052?
Users should immediately upgrade to the fixed versions of Cisco Unified Communications Manager to prevent potential denial of service attacks.
Is there a patch available for CVE-2009-2052?
Yes, patches and updates that address CVE-2009-2052 are available from Cisco for the affected versions.
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- vendor/cisco
- canonical/cisco unified communications manager session management edition
- version/cisco unified communications manager session management edition/6.1\(1\)
- version/cisco unified communications manager session management edition/5.0
- version/cisco unified communications manager session management edition/7.1
- version/cisco unified communications manager session management edition/7.0