#VU12352 Use-after-free error in libwmf - CVE-2015-4696

Vulnerability identifier: #VU12352

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2015-4696

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

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

Vendor: wvware.sourceforge.net

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to use-after-free error. A remote attacker can trick the victim into opening a specially crafted WMF file to the (1) wmf2gd or (2) wmf2eps command, trigger memory corruption and cause the service to crash.

Mitigation
Install update from vendor's website.

Vulnerable software versions

libwmf: 0.2.8.4

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External links
https://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.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.