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Debian DSA-703-1 : krb5 - buffer overflows

high Nessus Plugin ID 17674

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 krb5 package.

For the stable distribution (woody) these problems have been fixed in version 1.2.4-5woody8.

See Also

http://www.debian.org/security/2005/dsa-703

Plugin Details

Severity: High

ID: 17674

File Name: debian_DSA-703.nasl

Version: 1.25

Type: local

Agent: unix

Published: 4/2/2005

Updated: 1/4/2021

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, 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: p-cpe:/a:debian:debian_linux:krb5, cpe:/o:debian:debian_linux:3.0

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

Patch Publication Date: 4/1/2005

Vulnerability Publication Date: 3/28/2005

Reference Information

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

CERT: 291924, 341908

DSA: 703