Red Hat update for flash-plugin

1) Memory corruption

EUVDB-ID: #VU2925

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-2011-2110

CWE-ID: CWE-119 - Memory corruption

Exploit availability: Yes

Description

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

The weakness exists due to an array indexing error in the ActionScript3 AVM2 verification logic. 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 of the vulnerability results in arbitrary code execution on the vulnerable system.

Note: the vulnerability was being actively exploited.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux Desktop: 5 - 6

Red Hat Enterprise Linux Workstation: 6

Red Hat Enterprise Linux Server: 6.0 - v.5

External links

http://access.redhat.com/errata/RHSA-2011:0869

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.