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Vigil@nce - glibc: buffer overflow of __gconv_translit_find

August 2014 by Vigil@nce

This bulletin was written by Vigil@nce : http://vigilance.fr/offer

SYNTHESIS OF THE VULNERABILITY

An attacker can generate a buffer overflow in the
__gconv_translit_find() function of the glibc, in order to trigger
a denial of service, and possibly to execute code.

Impacted products: Debian, Fedora, Ubuntu, Unix (platform)

Severity: 1/4

Creation date: 26/08/2014

DESCRIPTION OF THE VULNERABILITY

The __gconv_translit_find() function of the glibc is used to
convert locales.

However, if the size of the filename reaches the limit of the size
of the storage array, an overflow of one byte occurs.

An attacker can therefore generate a buffer overflow in the
__gconv_translit_find() function of the glibc, in order to trigger
a denial of service, and possibly to execute code.

ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN

http://vigilance.fr/vulnerability/glibc-buffer-overflow-of-gconv-translit-find-15229


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