#VU12168 Improper input validation in unADF - CVE-2016-1244


Vulnerability identifier: #VU12168

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

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


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


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.


Latest bulletins with this vulnerability