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Debian DSA-2033-1 : ejabberd - heap overflow

medium Nessus Plugin ID 45546

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Synopsis

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

Description

It was discovered that in ejabberd, a distributed XMPP/Jabber server written in Erlang, a problem in ejabberd_c2s.erl allows remote authenticated users to cause a denial of service by sending a large number of c2s (client2server) messages; that triggers an overload of the queue, which in turn causes a crash of the ejabberd daemon.

Solution

Upgrade the ejabberd packages.

For the stable distribution (lenny), this problem has been fixed in version 2.0.1-6+lenny2.

See Also

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=568383

https://www.debian.org/security/2010/dsa-2033

Plugin Details

Severity: Medium

ID: 45546

File Name: debian_DSA-2033.nasl

Version: 1.13

Type: local

Agent: unix

Published: 4/16/2010

Updated: 1/4/2021

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:ejabberd, cpe:/o:debian:debian_linux:5.0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/15/2010

Reference Information

CVE: CVE-2010-0305

BID: 38003

CWE: 20

DSA: 2033