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Debian DSA-2895-1 : prosody - security update

medium Nessus Plugin ID 73351

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Synopsis

The remote Debian host is missing a security-related update.

Description

A denial-of-service vulnerability has been reported in Prosody, a XMPP server. If compression is enabled, an attacker might send highly-compressed XML elements (attack known as 'zip bomb') over XMPP streams and consume all the resources of the server.

The SAX XML parser lua-expat is also affected by this issues.

Solution

Upgrade the prosody and lua-expat packages.

For the stable distribution (wheezy), this problem has been fixed in version 0.8.2-4+deb7u1 of prosody.

For the stable distribution (wheezy), this problem has been fixed in version 1.2.0-5+deb7u1 of lua-expat.

See Also

https://packages.debian.org/source/wheezy/prosody

https://www.debian.org/security/2014/dsa-2895

Plugin Details

Severity: Medium

ID: 73351

File Name: debian_DSA-2895.nasl

Version: 1.10

Type: local

Agent: unix

Published: 4/7/2014

Updated: 1/11/2021

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 4.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:prosody, cpe:/o:debian:debian_linux:7.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 4/6/2014

Reference Information

BID: 66670

DSA: 2895