Debian DSA-731-1 : krb4 - buffer overflows

high Nessus Plugin ID 18518

Synopsis

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

Description

Several problems have been discovered in telnet clients that could be exploited by malicious daemons the client connects to. The Common Vulnerabilities and Exposures project identifies the following problems :

- CAN-2005-0468 Gael Delalleau discovered a buffer overflow in the env_opt_add() function that allow a remote attacker to execute arbitrary code.

- CAN-2005-0469

Gael Delalleau discovered a buffer overflow in the handling of the LINEMODE suboptions in telnet clients.
This can lead to the execution of arbitrary code when connected to a malicious server.

Solution

Upgrade the krb4 packages.

For the stable distribution (woody) these problems have been fixed in version 1.1-8-2.4.

See Also

http://www.debian.org/security/2005/dsa-731

Plugin Details

Severity: High

ID: 18518

File Name: debian_DSA-731.nasl

Version: 1.25

Type: local

Agent: unix

Published: 6/17/2005

Updated: 1/4/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.3

CVSS v2

Risk Factor: High

Base Score: 7.5

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:3.0, p-cpe:/a:debian:debian_linux:krb4

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

Patch Publication Date: 6/2/2005

Vulnerability Publication Date: 3/28/2005

Reference Information

CVE: CVE-2005-0468, CVE-2005-0469

CERT: 291924, 341908

DSA: 731