Multiple Vulnerabilities in Adobe Acrobat / Reader
2009.October.13

Summary:

Fortinet discovers multiple vulnerabilities in Adobe Reader / Acrobat which may allow a remote attacker to compromise a system.

Impact:

Remote Code Execution / Denial of Service (DoS). 

Risk:

Critical. 

Affected Software:

Adobe Reader 9.1.3 and earlier versions for Windows, Macintosh and UNIX
Adobe Acrobat 9.1.3 and earlier versions for Windows and Macintosh 

Additional Information:

Four vulnerabilities were discovered in Adobe Reader / Acrobat, each of which are highlighted below: 
FG-VD-09-015: Memory corruption vulnerability in Javascript implementation (CVE-2009-3460)
FG-VD-09-017: Denial of service through an ActiveX control specific to the OS, in "AcroPDF.DLL" (CVE-2009-2987)
FG-VD-09-018: Denial of service through an input validation issue in "annots.api" (CVE-2009-2988)
FG-VD-09-023: Memory corruption vulnerability in Javascript implementation (CVE-2009-2996)

Solutions:

Use the solution provided by Adobe (APSB09-15). 
The FortiGuard Global Security Research Team released a signature "Adobe.Acrobat.JS.Collab.Memory.Corruption", which covers a vulnerability listed in CVE-2009-2996. 
The FortiGuard Global Security Research Team released a signature "Adobe.Acrobat.ActiveX.Control.DoS", which covers a vulnerability listed in CVE-2009-2987. 
The FortiGuard Global Security Research Team released a signature "Adobe.Acrobat.JS.Collab.DoS", which covers a vulnerability listed in CVE-2009-2988. 
The FortiGuard Global Security Research Team released a signature "FG-VD-09-015-Adobe", which covers a vulnerability listed in CVE-2009-3460. 

Fortinet customers who subscribe to Fortinet¡¯s intrusion prevention (IPS) service should be protected against these 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 the FortiGuard Global Security Research Team, 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: 

Adobe Security Bulletin: http://www.adobe.com/support/security/bulletins/apsb09-15.html
CVE ID: CVE-2009-3460 (FG-VD-09-015)
CVE ID: CVE-2009-2987 (FG-VD-09-017)
CVE ID: CVE-2009-2988 (FG-VD-09-018)
CVE ID: CVE-2009-2996 (FG-VD-09-023)
Acknowledgment:

Zhenhua Liu and XiaoPeng Zhang of Fortinet's FortiGuard Global Security Research Team
For Discovering: CVE-2009-2987, CVE-2009-2988, CVE-2009-2996
Haifei Li of Fortinet's FortiGuard Global Security Research Team
For Discovering: CVE-2009-3460



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