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Arch Linux 201609-17: Moderate Severity Denial Of Service In Lib32-Jansson

Calendar Sep 20, 2016 • User Avatar LinuxSecurity Advisories
1 min read
Archlinux Large Esm H446
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Topics Covered

security advisory denial of service medium severity Arch Linux lib32-jansson
The package lib32-jansson before version 2.8-1 is vulnerable to denial of service. 
Arch Linux Security Advisory ASA-201609-17
=========================================
Severity: Medium
Date    : 2016-09-20
CVE-ID  : CVE-2016-4425
Package : lib32-jansson
Type    : denial of service
Remote  : Yes
Link    : https://wiki.archlinux.org/title/CVE

Summary
======
The package lib32-jansson before version 2.8-1 is vulnerable to denial
of service.

Resolution
=========
Upgrade to 2.8-1.

# pacman -Syu "lib32-jansson>=2.8-1"

The problem has been fixed upstream in version 2.8.

Workaround
=========
None.

Description
==========
A stack-exhaustion vulnerability has been found in jansson, causing a
crash while parsing a crafted JSON document.

Impact
=====
A remote attacker might cause a crash by submitting a specially crafted
JSON file to an application using jansson, leading to denial of service.

References
=========
https://marc.info/;m=146219323703639&w=2
https://github.com/akheron/jansson/issues/282
https://access.redhat.com/security/cve/CVE-2016-4425