#VU1396 Null pointer dereference in Adobe Reader and Adobe Acrobat - CVE-2009-3957

Vulnerability identifier: #VU1396

Vulnerability risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2009-3957

CWE-ID: CWE-476

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Adobe Reader
Client/Desktop applications / Office applications
Adobe Acrobat
Client/Desktop applications / Office applications

Vendor: Adobe

Description
The vulnerability allows a remote attacker to cause DoS conditions on the target system.

The weakness exists due to NULL pointer dereference. A remote attacker can trigger the application to crash.

Successful exploitation of the vulnerability results in denial of service of the vulnerable application.

Mitigation
Update Adobe Reader and Adobe Acrobat 8.1.7 or earlier to version 8.2.
Update Adobe Reader and Adobe Acrobat 9.2 or earlier to version 9.3.

http://get.adobe.com/reader
http://www.adobe.com/support/downloads/product.jsp?product=1&platform=Windows
http://www.adobe.com/support/downloads/product.jsp?product=158&platform=Windows
http://www.adobe.com/support/downloads/product.jsp?product=112&platform=Windows
http://www.adobe.com/support/downloads/product.jsp?product=1&platform=Macintosh

Vulnerable software versions

Adobe Reader: 8.0 - 8.1.7, 9.0 - 9.2

Adobe Acrobat: 8.0 - 8.1.7, 9.0 - 9.2

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External links
https://www.adobe.com/support/security/bulletins/apsb10-02.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.