GLSA-201709-07 : Kpathsea: User-assisted execution of arbitrary code

This script is Copyright (C) 2017 Tenable Network Security, Inc.


Synopsis :

The remote Gentoo host is missing one or more security-related
patches.

Description :

The remote host is affected by the vulnerability described in GLSA-201709-07
(Kpathsea: User-assisted execution of arbitrary code)

It was discovered that the mpost program from the shell_escape_commands
list is capable of executing arbitrary external programs during the
conversion of .tex files. The responsible function is runpopen()
(texmfmp.c).

Impact :

A remote attacker, by enticing a user to open a specially crafted .tex
file, could possibly execute arbitrary code with the privileges of the
process.

Workaround :

There is no known workaround at this time.

See also :

https://security.gentoo.org/glsa/201709-07

Solution :

All Kpathsea users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose
'>=dev-libs/kpathsea-6.2.2_p20160523'
Packages which depend on this library may need to be recompiled. Tools
such as revdep-rebuild may assist in identifying some of these packages.

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)

Family: Gentoo Local Security Checks

Nessus Plugin ID: 103275 ()

Bugtraq ID:

CVE ID: CVE-2016-10243

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