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Debian DSA-595-1 : bnc - buffer overflow

critical Nessus Plugin ID 15824

Synopsis

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

Description

Leon Juranic discovered that BNC, an IRC session bouncing proxy, does not always protect buffers from being overwritten. This could exploited by a malicious IRC server to overflow a buffer of limited size and execute arbitrary code on the client host.

Solution

Upgrade the bnc package.

For the stable distribution (woody) this problem has been fixed in version 2.6.4-3.3.

This package does not exist in the testing or unstable distributions.

See Also

http://www.debian.org/security/2004/dsa-595

Plugin Details

Severity: Critical

ID: 15824

File Name: debian_DSA-595.nasl

Version: 1.17

Type: local

Agent: unix

Published: 11/24/2004

Updated: 1/4/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:3.0, p-cpe:/a:debian:debian_linux:bnc

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

Patch Publication Date: 11/24/2004

Vulnerability Publication Date: 11/10/2004

Reference Information

CVE: CVE-2004-1052

DSA: 595