[manjaro-security] [arch-security] [ASA-201604-11] pgpdump: denial of service

[Levente Polyak]

Arch Linux Security Advisory ASA-201604-11
==========================================

Severity: Low
Date    : 2016-04-22
CVE-ID  : CVE-2016-4021
Package : pgpdump
Type    : denial of service
Remote  : Yes
Link    : https://wiki.archlinux.org/index.php/CVE

Summary
=======

The package pgpdump before version 0.30-1 is vulnerable to denial of
service.

Resolution
==========

Upgrade to 0.30-1.

# pacman -Syu "pgpdump>=0.30-1"

The problem has been fixed upstream in version 0.30.

Workaround
==========

None.

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

When pgpdump is run on specially crafted input, a denial of service
condition occurs. The program runs with 100% CPU usage for an indefinite
amount of time.
This can be abused in scenarios where users can supply input to pgpdump,
e.g. in http://www.pgpdump.net/.

Impact
======

A remote attacker is able to create a specially crafted input that is
leading to CPU resource consumption resulting in denial of service.

References
==========

https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2016-030.txt
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4021

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