Joined: 12 May 2004
|Posted: Sun Sep 17, 2017 9:26 pm Post subject: [ GLSA 201709-07 ] Kpathsea
|Gentoo Linux Security Advisory
Title: Kpathsea: User-assisted execution of arbitrary code (GLSA 201709-07)
A vulnerability in Kpathsea allows remote attackers to execute
arbitrary commands by manipulating the -tex option from mpost program.
Kpathsea is a library to do path searching. It is used by TeX Live and
others TeX related software.
Vulnerable: < 6.2.2_p20160523
Unaffected: >= 6.2.2_p20160523
Architectures: All supported architectures
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()
A remote attacker, by enticing a user to open a specially crafted .tex
file, could possibly execute arbitrary code with the privileges of the
There is no known workaround at this time.
All Kpathsea users should upgrade to the latest version:
Packages which depend on this library may need to be recompiled. Tools
|# emerge --sync
# emerge --ask --oneshot --verbose
such as revdep-rebuild may assist in identifying some of these packages.