Vulnerability identifier: #VU1244

Vulnerability risk: Critical

CVSSv3.1: 8.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C]

CVE-ID: CVE-2007-3375

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
File Archiver
Client/Desktop applications / Software for archiving

Vendor: Lhaca

Description

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

The vulnerability exists due to boundary error in Lhaca File Archiver when processing .lzh archives. A remote attacker can create a specially crafted .lzh file, 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

Vulnerable software versions

File Archiver: 1.20 - 1.22

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External links
http://www.symantec.com/connect/blogs/beware-lzh
http://vuln.sg/lhaca121-en.html
http://park8.wakwak.com/~app/Lhaca/overflow.html

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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?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.