#VU1429 Integer Overflow or Wraparound in Adobe AIR and Adobe Flash Player - CVE-2009-1869

Vulnerability identifier: #VU1429

Vulnerability risk: High

CVSSv4.0: 7.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2009-1869

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Adobe AIR
Client/Desktop applications / Multimedia software
Adobe Flash Player
Client/Desktop applications / Plugins for browsers, ActiveX components

Vendor: Adobe

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

The weakness exists due to integer overflow when handling malformed files. By sending a specially crafted AVM2 file with a large intrf_count value, a remote attacker can trigger memory corruption and cause the application to crash or execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in denial of service or arbitrary code execution on the vulnerable system.

Mitigation
Update Adobe Flash Player 9.x and earlier to version 9.0.246.0:
http://www.adobe.com/support/flashplayer/downloads.html#fp9
Update Adobe Flash Player 10.x to version 10.0.32.18:
http://www.adobe.com/go/getflashplayer
Update Adobe Air to version 1.5.2.
http://get.adobe.com/air/

Vulnerable software versions

Adobe AIR: 1.0.1 - 1.5.2

Adobe Flash Player: 9.0.124.0 - 10.0.32.18

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External links
https://www.adobe.com/support/security/bulletins/apsb09-10.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. However, proof of concept for this vulnerability is available.