[manjaro-security] [ASA-201807-16] libextractor: denial of service

[Jelle van der Waa]

Arch Linux Security Advisory ASA-201807-16
==========================================

Severity: Medium
Date    : 2018-07-26
CVE-ID  : CVE-2017-17440
Package : libextractor
Type    : denial of service
Remote  : Yes
Link    : https://security.archlinux.org/AVG-541

Summary
=======

The package libextractor before version 1.7-1 is vulnerable to denial
of service.

Resolution
==========

Upgrade to 1.7-1.

# pacman -Syu "libextractor>=1.7-1"

The problem has been fixed upstream in version 1.7.

Workaround
==========

None.

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

GNU Libextractor 1.6 allows remote attackers to cause a denial of
service (NULL pointer dereference and application crash) via a crafted
GIF, IT (Impulse Tracker), NSFE, S3M (Scream Tracker 3), SID, or XM
(eXtended Module) file, as demonstrated by the
EXTRACTOR_xm_extract_method function in plugins/xm_extractor.c.

Impact
======

A remote attacker is able to crash the application via a specially
crafted file.

References
==========

https://bugs.debian.org/883528#35
https://gnunet.org/git/libextractor.git/commit/?id=7cc63b001ceaf81143795321379c835486d0c92e
https://security.archlinux.org/CVE-2017-17440
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