Debian DSA-2379-1 : krb5 - several vulnerabilities

high Nessus Plugin ID 57519

Synopsis

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

Description

It was discovered that the Key Distribution Center (KDC) in Kerberos 5 crashes when processing certain crafted requests :

- CVE-2011-1528 When the LDAP backend is used, remote users can trigger a KDC daemon crash and denial of service.

- CVE-2011-1529 When the LDAP or Berkeley DB backend is used, remote users can trigger a NULL pointer dereference in the KDC daemon and a denial of service.

The oldstable distribution (lenny) is not affected by these problems.

Solution

Upgrade the krb5 packages.

For the stable distribution (squeeze), these problems have been fixed in version 1.8.3+dfsg-4squeeze5.

See Also

https://security-tracker.debian.org/tracker/CVE-2011-1528

https://security-tracker.debian.org/tracker/CVE-2011-1529

https://packages.debian.org/source/squeeze/krb5

https://www.debian.org/security/2012/dsa-2379

Plugin Details

Severity: High

ID: 57519

File Name: debian_DSA-2379.nasl

Version: 1.13

Type: local

Agent: unix

Published: 1/12/2012

Updated: 1/11/2021

Supported Sensors: Frictionless Assessment Agent, Nessus Agent

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

Temporal Vector: E:U/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:krb5, cpe:/o:debian:debian_linux:6.0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 1/4/2012

Reference Information

CVE: CVE-2011-1528, CVE-2011-1529

BID: 50273

DSA: 2379