SB2015071001 - Two remote code execution vulnerabilities in Adobe Flash Player

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) “Use-after-free” error (CVE-ID: CVE-2015-5123)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to use-after-free error in the ActionScript 3 BitmapData class. A remote attacker can create a specially crafted Web site, trick the victim into visiting it, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation results in arbitrary code execution on the vulnerable system.

Note: the vulnerability was being actively exploited.

2) “Use-after-free” error (CVE-ID: CVE-2015-5122)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to use-after-free error in the ActionScript 3 opaqueBackground class. A remote attacker can create a specially crafted Web site, trick the victim into visiting it, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation results in arbitrary code execution on the vulnerable system.

Note: the vulnerability was being actively exploited.

Remediation

Install update from vendor's website.

References

• https://helpx.adobe.com/security/products/flash-player/apsb15-18.html