U radu programskog paketa tex-common uočena je nova sigurnosna ranjivost. Radi se o programskom paketu koji sadrži velik broj skripti i konfiguracijskih datoteka za popularan sustav namijenjen slovoslagarstvu, TeX. Ranjivost se javlja zbog loših postavki vezanih uz "shell_escape_commands" naredbu. Zlonamjerni korisnici mogu iskoristiti tu ranjivost za izvršavanje proizvoljnog programskog koda uspiju li prevariti žrtvu i natjerati ju na otvaranje zlonamjerno oblikovanih tex datoteka. Svim se korisnicima savjetuje detaljnije čitanje izvorne preporuke i primjena objavljenih rješenja.

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Debian Security Advisory DSA-2198-1                   Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.
http://www.debian.org/security/                                Nico Golde
March 22, 2011                         http://www.debian.org/security/faq
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Package        : tex-common
Vulnerability  : insufficient input sanitization
Problem type   : local
Debian-specific: no
CVE ID         : CVE-2011-1400

Mathias Svensson discovered that tex-common, a package shipping a number
of scripts and configuration files necessary for TeX, contains insecure
settings for the "shell_escape_commands" directive.  Depending on the
scenario, this may result in arbitrary code execution when a victim is
tricked into processing a malicious tex-file or this is done in an
automated fashion.


The oldstable distribution (lenny) is not affected by this problem due
to shell_escape being disabled.

For the stable distribution (squeeze), this problem has been fixed in
version 2.08.1.

For the testing (wheezy) and unstable (sid) distributions, this problem
will be fixed soon.

We recommend that you upgrade your tex-common packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

Mailing list: Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.

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