Vulnerability identifier: #VU12168

Vulnerability risk: High

CVSSv3.1: 8.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-1244

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
unADF
Universal components / Libraries / Libraries used by multiple products

Vendor: Laurent Clévy

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

The weakness exists in the extractTree function due to improper input validation. A remote attacker can trick the victim into opening a specially crafted adf file and execute arbitrary code via shell metacharacters in a directory name.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation
Install update from vendor's website.

Vulnerable software versions

unADF: All versions

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External links
http://tmp.tjjr.fi/0001-Fix-unsafe-extraction-by-using-mkdir-instead-of-shel.patch

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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.