Two remote code execution vulnerabilities in Adobe Flash Player



Published: 2015-07-10 | Updated: 2017-01-27
Risk Critical
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2015-5123
CVE-2015-5122
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
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Adobe Flash Player Extended Support Release
Client/Desktop applications / Multimedia software

Adobe Flash Player for Linux
Client/Desktop applications / Multimedia software

Adobe Flash Player
Client/Desktop applications / Plugins for browsers, ActiveX components

Vendor Adobe

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) “Use-after-free” error

EUVDB-ID: #VU5469

Risk: Critical

CVSSv3.1: 9.2 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2015-5123

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Exploit availability: No

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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Adobe Flash Player Extended Support Release: 13.0.0.302, 13.0.0.309

Adobe Flash Player for Linux: 11.2.202.481, 11.2.202.491

Adobe Flash Player: 18.0.0.203, 18.0.0.209

CPE2.3 External links

http://helpx.adobe.com/security/products/flash-player/apsb15-18.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?

Yes. This vulnerability is being exploited in the wild.

2) “Use-after-free” error

EUVDB-ID: #VU5468

Risk: Critical

CVSSv3.1: 9.2 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2015-5122

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Exploit availability: Yes

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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Adobe Flash Player Extended Support Release: 13.0.0.302, 13.0.0.309

Adobe Flash Player for Linux: 11.2.202.481, 11.2.202.491

Adobe Flash Player: 18.0.0.203, 18.0.0.209

CPE2.3 External links

http://helpx.adobe.com/security/products/flash-player/apsb15-18.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?

Yes. This vulnerability is being exploited in the wild.



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