Debian DLA-340-1 : krb5 security update

high Nessus Plugin ID 86793

Language:

Synopsis

The remote Debian host is missing a security update.

Description

CVE-2015-2695

It was discovered that applications which call gss_inquire_context() on a partially-established SPNEGO context can cause the GSS-API library to read from a pointer using the wrong type, leading to a process crash.

CVE-2015-2697

It was discovered that the build_principal_va() function incorrectly handles input strings. An authenticated attacker can take advantage of this flaw to cause a KDC to crash using a TGS request with a large realm field beginning with a null byte.

For the oldoldstable distribution (squeeze), these problems have been fixed in version 1.8.3+dfsg-4squeeze10.

We recommend that you upgrade your krb5 packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Upgrade the affected packages.

Plugin Details

Severity: High

ID: 86793

File Name: debian_DLA-340.nasl

Version: 2.7

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 11/9/2015

Updated: 1/11/2021

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.1

Temporal Score: 5.3

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:krb5-multidev, p-cpe:/a:debian:debian_linux:krb5-pkinit, p-cpe:/a:debian:debian_linux:krb5-kdc, p-cpe:/a:debian:debian_linux:krb5-admin-server, cpe:/o:debian:debian_linux:6.0, p-cpe:/a:debian:debian_linux:krb5-doc, p-cpe:/a:debian:debian_linux:libkrb53, p-cpe:/a:debian:debian_linux:libkrb5-dev, p-cpe:/a:debian:debian_linux:krb5-user, p-cpe:/a:debian:debian_linux:krb5-kdc-ldap

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/7/2015

Reference Information

CVE: CVE-2015-2695, CVE-2015-2697

Detections

Analytics