Cisco Unified Communications Manager CTLProvider.exe TCP denial of service
| cucm-ctl-tcp-os (42414) |  Low Risk |
Description:
The Certificate Trust List (CTL) Provider service (CTLProvider.exe) of the Cisco Unified Communications Manager (CUCM) is vulnerable to a denial of service. Under certain situations, a remote attacker could send specially-crafted TCP packets to port 2444 to consume all available memory resources, resulting in a denial of service.
Platforms Affected:
- Cisco, Unified Communications Manager 5.0
- Cisco, Unified Communications Manager 5.1
- Cisco, Unified Communications Manager 5.1(1)
- Cisco, Unified Communications Manager 5.1(2)
- Cisco, Unified Communications Manager 5.1(2b)
- Cisco, Unified Communications Manager 6.0
- Cisco, Unified Communications Manager 6.0(1a)
- Cisco, Unified Communications Manager 6.1(1a)
Remedy:
Refer to cisco-sa-20080514-cucmdos for patch, upgrade or suggested workaround information. See References.
Consequences:
Denial of Service
References:
- cisco-sa-20080514-cucmdos, Cisco Unified Communications Manager Denial of Service Vulnerabilities at http://www.cisco.com/warp/public/707/cisco-sa-20080514-cucmdos.shtml.
- BID-29221: Cisco Unified Communications Manager Multiple Denial of Service Vulnerabilities
- CVE-2008-1743: Memory leak in the Certificate Trust List (CTL) Provider service in Cisco Unified Communications Manager (CUCM) 5.x before 5.1(3) and 6.x before 6.1(1) allows remote attackers to cause a denial of service (memory consumption and service interruption) via a series of malformed TCP packets, aka Bug ID CSCsi98433.
- FrSIRT/ADV-2008-1533: Cisco Unified Communications Manager Denial of Service Vulnerabilities
- SA30238: Cisco Unified Communications Manager Multiple Denial of Service
- SECTRACK ID: 1020022: Cisco Unified Communications Manager Bugs in CTL CAPF, SIP, and SNMP Services Let Remote Users Deny Service
Reported:
May 14, 2008
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