[arch-security] [ASA-201711-16] libextractor: denial of service

[Levente Polyak]

Arch Linux Security Advisory ASA-201711-16
==========================================

Severity: Low
Date    : 2017-11-08
CVE-ID  : CVE-2017-15922
Package : libextractor
Type    : denial of service
Remote  : No
Link    : https://security.archlinux.org/AVG-471

Summary
=======

The package libextractor before version 1.6-1 is vulnerable to denial
of service.

Resolution
==========

Upgrade to 1.6-1.

# pacman -Syu "libextractor>=1.6-1"

The problem has been fixed upstream in version 1.6.

Workaround
==========

None.

Description
===========

In GNU Libextractor before 1.6, there is an out-of-bounds read in the
EXTRACTOR_dvi_extract_method function in plugins/dvi_extractor.c.

Impact
======

An attacker is able to crash the application by providing a crafted DVI
file.

References
==========

http://lists.gnu.org/archive/html/bug-libextractor/2017-10/msg00008.html
https://security.archlinux.org/CVE-2017-15922

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