#VU1426 Stack-based buffer overflow in Adobe Flash Player and Adobe AIR - CVE-2009-1866

Vulnerability identifier: #VU1426

Vulnerability risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2009-1866

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

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

Vendor: Adobe

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

The weakness exists due to stack-based buffer overflow when handling malformed files. By sending a specially crafted .pdf file, a remote attacker can trigger memory corruption and cause the application to crash or execute arbitrary code with elevated privileges.

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 Flash Player: 9.0.124.0 - 10.0.32.18

Adobe AIR: 1.0 - 1.5.2

---

External links
https://www.adobe.com/support/security/bulletins/apsb09-10.html

---

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.