Fortinet Discovers Multiple Cisco WebEx WRF Player Vulnerabilities
2009.December.16
Summary:
Multiple memory corruption vulnerabilities exist in Cisco WebEx WRF Player which allow a remote attacker to compromise a vulnerable system.
Impact:
Remote code execution / Denial of service.
Risk:
Affected Software:
- Cisco WebEx WRF Player 3.0 or earlier versions on Linux,Microsoft Windows and Mac OS X
Additional Information:
Six vulnerabilities were discovered in Cisco WebEx WRF Player, each of which is highlighted below:
- FG-VD-09-008: Cisco WebEx WRF Player Denial Of Service in "atrpui.dll" (CVE-2009-2880)
- FG-VD-09-010: Cisco WebEx WRF Player Heap Overflow in "atas32.dll" (CVE-2009-2879)
- FG-VD-09-012: Cisco WebEx WRF Player Heap Overflow in "atas32.dll" (CVE-2009-2876)
- FG-VD-09-013: Cisco WebEx WRF Player Heap Overflow in "atas32.dll" (CVE-2009-2878)
- FG-VD-09-014: Cisco WebEx WRF Player Stack Overflow in "ataudio.dll" (CVE-2009-2877)
- FG-VD-09-016: Cisco WebEx WRF Player Denial of Service in "atas32.dll" (CVE-2009-2875)
Solutions:
Use the solution provided by Cisco:
- FG-VD-09-008: fixed in WebEx releases T26 and T27
- FG-VD-09-010: fixed in WebEx releases T26SP49EP32 and T27SP10
- FG-VD-09-012: fixed in WebEx releases T26SP49EP32 and T27SP10
- FG-VD-09-013: fixed in WebEx releases T26SP49EP32 and T27SP10
- FG-VD-09-014: fixed in WebEx releases T26LSp49EP32 and T27SP10
- FG-VD-09-016: fixed in WebEx release T26SP49EP
FortiGuard Labs released the following signatures to protect against these vulnerabilities
- "Cisco.WebEx.Player.atas32.Heap.Overflow" (CVE-2009-2879, CVE-2009-2876, CVE-2009-2878)
- "Cisco.WebEx.Player.ataudio.Buffer.Overflow" (CVE-2009-2877)
- "Cisco.WebEx.Player.atrpui.DoS" (CVE-2009-2880)
- "Cisco.WebEx.Player.atas32.DoS" (CVE-2009-2875)
Fortinet customers who subscribe to Fortinet's intrusion prevention (IPS) service should be protected against these memory corruption vulnerabilities. Fortinet's IPS service is one component of FortiGuard Subscription Services, which also offer comprehensive solutions such as antivirus, Web content filtering and antispam capabilities. These services enable protection against threats on both application and network layers. FortiGuard Services are continuously updated by Fortinet's FortiGuard Labs, which enables Fortinet to deliver a combination of multi-layered security intelligence and true zero-day protection from new and emerging threats. These updates are delivered to all FortiGate, FortiMail and FortiClient products. Fortinet strictly follows responsible disclosure guidelines to ensure optimum protection during a threat's lifecycle.
References:
Acknowledgment:
- Zhenhua Liu and XiaoPeng Zhang of Fortinet's FortiGuard Labs
Disclaimer:
Although Fortinet has attempted to provide accurate information in these materials, Fortinet assumes no legal responsibility for the accuracy or completeness of the information. More specific information is available on request from Fortinet. Please note that Fortinet's product information does not constitute or contain any guarantee, warranty or legally binding representation, unless expressly identified as such in a duly signed writing. About Fortinet ( www.fortinet.com ):
Fortinet is the pioneer and leading provider of ASIC-accelerated unified threat management, or UTM, security systems, which are used by enterprises and service providers to increase their security while reducing total operating costs. Fortinet solutions were built from the ground up to integrate multiple levels of security protection--including firewall, antivirus, intrusion prevention, VPN, spyware prevention and anti-spam -- designed to help customers protect against network and content level threats. Leveraging a custom ASIC and unified interface, Fortinet solutions offer advanced security functionality that scales from remote office to chassis-based solutions with integrated management and reporting. Fortinet solutions have won multiple awards around the world and are the only security products that are certified in six programs by ICSA Labs: (Firewall, Antivirus, IPSec, SSL, Network IPS, and Anti-Spyware). Fortinet is privately held and based in Sunnyvale, California.
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