Cisco Unified Communications Manager CTLProvider.exe buffer overflow
| cisco-cucm-ctl-bo (39704) |
Description:
Cisco Unified Communications Manager deployed in secure mode is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by CTLProvider.exe. By sending an overly long request to TCP port 2444, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the service to crash.
Platforms Affected:
- Cisco, Unified CallManager 4.0
- Cisco, Unified CallManager 4.1 prior to 4.1(3)SR5c
- Cisco, Unified CallManager 4.2 prior to 4.2(3)SR3
- Cisco, Unified CallManager 4.3 prior to 4.3(1)SR1
Remedy:
Refer to cisco-sa-20080116-cucmctl for patch, upgrade, or suggested workaround information. See References.
Consequences:
Gain Access
References:
- cisco-sa-20080116-cucmctl, Cisco Unified Communications Manager CTL Provider Heap Overflow at http://www.cisco.com/warp/public/707/cisco-sa-20080116-cucmctl.shtml.
- TPTI-08-02, Cisco Call Manager CTLProvider Heap Overflow Vulnerability at http://dvlabs.tippingpoint.com/advisory/TPTI-08-02.
- BID-27313: Cisco Unified Communications Manager CTL Provider Heap Buffer Overflow Vulnerability
- CVE-2008-0027: Heap-based buffer overflow in the Certificate Trust List (CTL) Provider service (CTLProvider.exe) in Cisco Unified Communications Manager (CUCM) 4.2 before 4.2(3)SR3 and 4.3 before 4.3(1)SR1, and CallManager 4.0 and 4.1 before 4.1(3)SR5c, allows remote attackers to cause a denial of service or execute arbitrary code via a long request.
- FrSIRT/ADV-2008-0171: Cisco Products CTL Provider Remote Buffer Overflow Vulnerability
- SA28530: Cisco Unified Communications Manager CTL Provider Service Buffer Overflow
- SECTRACK ID: 1019223: Cisco Unified Communications Manager Buffer Overflow in Certificate Trust List Provider Service Lets Remote Users Execute Arbitrary Code
Reported:
Jan 16, 2008
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