Two remote code execution vulnerabilities in Adobe Flash Player

Published: 2015-07-10 00:00:00 | Updated: 2017-01-27
Severity Critical
Patch available YES
Number of vulnerabilities 2
CVE ID CVE-2015-5123
CVE-2015-5122
CVSSv3 8.9 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C]
8.9 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C]
CWE ID CWE-119
Exploitation vector Network
Public exploit Vulnerability #1 is being exploited in the wild.
Vulnerability #2 is being exploited in the wild.
Vulnerable software Adobe Flash Player Extended Support Release
Adobe Flash Player for Linux
Adobe Flash Player
Vulnerable software versions Adobe Flash Player Extended Support Release 13.0.0.309
Adobe Flash Player Extended Support Release 13.0.0.302
Adobe Flash Player for Linux 11.2.202.491
Adobe Flash Player for Linux 11.2.202.481
Adobe Flash Player 18.0.0.209
Adobe Flash Player 18.0.0.203
Vendor URL Adobe

Security Advisory

1) “Use-after-free” error

Description

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.

Remediation

Install update from vendor's website.

External links

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

2) “Use-after-free” error

Description

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.

External links

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

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