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Last updated: 11/26/2014 3:19:18 PM

CVE Publication rate: 18.63

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Vulnerability Workload Index: 8.11
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NVD is a product of the NIST Computer Security Division and is sponsored by the Department of Homeland Security's National Cyber Security Division. It supports the U.S. government multi-agency (OSD, DHS, NSA, DISA, and NIST) Information Security Automation Program. It is the U.S. government content repository for the Security Content Automation Protocol (SCAP).

National Cyber Awareness System

Vulnerability Summary for CVE-2007-0956

Original release date: 04/05/2007
Last revised: 03/07/2011
Source: US-CERT/NIST

Overview

The telnet daemon (telnetd) in MIT krb5 before 1.6.1 allows remote attackers to bypass authentication and gain system access via a username beginning with a '-' character, a similar issue to CVE-2007-0882.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 7.6 (HIGH) (AV:N/AC:H/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
Exploitability Subscore: 4.9
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: High
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

Solution

The vendor will address this issue in the upcoming krb5-1.6.1 release.

References to Advisories, Solutions, and Tools

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External Source: SECUNIA
Name: 24785
External Source: SECUNIA
Name: 24740
External Source: SECUNIA
Name: 24706
Type: Advisory
External Source: SECUNIA
Name: 24736
Type: Advisory
External Source: VUPEN
Name: ADV-2007-1218
External Source: REDHAT
Name: RHSA-2007:0095
External Source: CONFIRM
Name: http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2007-001-telnetd.txt
Type: Advisory
External Source: SECUNIA
Name: 24750
US-CERT Vulnerability Note: CERT
Name: TA07-093B
External Source: BID
Name: 23281
External Source: SUNALERT
Name: 102867
External Source: SECUNIA
Name: 24755
External Source: OVAL
Name: oval:org.mitre.oval:def:10046
External Source: GENTOO
Name: GLSA-200704-02
External Source: XF
Name: kerberos-telnet-security-bypass(33414)
External Source: SUSE
Name: SUSE-SA:2007:025
External Source: VUPEN
Name: ADV-2007-1249
External Source: BUGTRAQ
Name: 20070405 FLEA-2007-0008-1: krb5
External Source: BUGTRAQ
Name: 20070403 MITKRB5-SA-2007-001: telnetd allows login as arbitrary user [CVE-2007-0956]
External Source: MANDRIVA
Name: MDKSA-2007:077
External Source: SGI
Name: 20070401-01-P
US-CERT Vulnerability Note: CERT-VN
Name: VU#220816
Type: Advisory
External Source: SECTRACK
Name: 1017848
External Source: SECUNIA
Name: 24757
Type: Advisory
External Source: UBUNTU
Name: USN-449-1
External Source: SECUNIA
Name: 24817
External Source: SECUNIA
Name: 24786
External Source: BUGTRAQ
Name: 20070404 rPSA-2007-0063-1 krb5 krb5-server krb5-services krb5-test krb5-workstation
External Source: SECUNIA
Name: 24735
External Source: DEBIAN
Name: DSA-1276
Type: Advisory

References to Check Content

Identifier: oval:org.mitre.oval:def:10046
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

Vulnerable software and versions

+ Configuration 1
+ OR
* cpe:/a:mit:kerberos:5-1.6 and previous versions
+ Configuration 2
+ OR
* cpe:/o:debian:debian_linux:3.1
* cpe:/o:debian:debian_linux:4.0
* cpe:/o:rpath:linux:1

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)