Remote code execution in RealNetworks RealPlayer

1) Stack-based buffer overflow

EUVDB-ID: #VU1355

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-2007-5601

CWE-ID: CWE-119 - Memory corruption

Exploit availability: Yes

Description

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

The vulnerability exists due to boundary error when processing playlist names passed via "Import()" method to RealPlayer IERPCtl ActiveX control (ierpplug.dll). A remote attacker can create a specially crafted web page, trick the victim into opening it, cause stack-based buffer overflow and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability results in compromise of vulnerable system.

Note: this vulnerability is being actively exploited.

Mitigation

Install patch from vendor's website:
http://service.real.com/realplayer/security/191007_player/en/

Vulnerable software versions

RealPlayer: 9 - 10.5

External links

http://www.symantec.com/connect/blogs/realplayer-exploit-loose
http://www.kb.cert.org/vuls/id/871673

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.