#VU40343 Format string error in LaTeX2rtf and Fedora - CVE-2015-8106

Vulnerability identifier: #VU40343

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-2015-8106

CWE-ID: CWE-134

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
LaTeX2rtf
Other software / Other software solutions
Fedora
Operating systems & Components / Operating system

Vendor: latex2rtf.sourceforge.net
Fedoraproject

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Format string vulnerability in the CmdKeywords function in funct1.c in latex2rtf before 2.3.10 allows remote attackers to execute arbitrary code via format string specifiers in the keywords command in a crafted TeX file.

Mitigation
Install update from vendor's website.

Vulnerable software versions

LaTeX2rtf: 2.3.8

Fedora: 2.3.8 - 24

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External links
https://lists.fedoraproject.org/pipermail/package-announce/2016-April/181276.html
https://lists.fedoraproject.org/pipermail/package-announce/2016-April/181677.html
https://lists.fedoraproject.org/pipermail/package-announce/2016-April/181725.html
https://www.openwall.com/lists/oss-security/2015/11/16/3
https://bugzilla.redhat.com/show_bug.cgi?id=1282492
https://sourceforge.net/p/latex2rtf/code/1244/

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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.