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

2018-07-26T00:00:00
ID ASA-201807-16
Type archlinux
Reporter ArchLinux
Modified 2018-07-26T00:00:00

Description

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