National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2006-2450 Detail

Description

auth.c in LibVNCServer 0.7.1 allows remote attackers to bypass authentication via a request in which the client specifies an insecure security type such as "Type 1 - None", which is accepted even if it is not offered by the server, a different issue than CVE-2006-2369.

Source:  MITRE      Last Modified:  07/18/2006

Quick Info

CVE Dictionary Entry:
CVE-2006-2450
Original release date:
07/18/2006
Last revised:
11/11/2014
Source:
US-CERT/NIST

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:
7.5 HIGH
Vector:
(AV:N/AC:L/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore:
6.4
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Provides unauthorized access, Allows partial confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (08/24/2006)

Not vulnerable. This issue does not affect the versions of LibVNCServer as distributed with Red Hat Enterprise Linux 2.1, 3, or 4.

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=376824 Patch External Source MISC http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=376824
http://libvncserver.cvs.sourceforge.net/libvncserver/libvncserver/libvncserver/auth.c?r1=1.11&r2=1.14&diff_format=u Patch External Source CONFIRM http://libvncserver.cvs.sourceforge.net/libvncserver/libvncserver/libvncserver/auth.c?r1=1.11&r2=1.14&diff_format=u
http://security.gentoo.org/glsa/glsa-200608-05.xml External Source GENTOO GLSA-200608-05
http://security.gentoo.org/glsa/glsa-200608-12.xml External Source GENTOO GLSA-200608-12
http://security.gentoo.org/glsa/glsa-200703-19.xml External Source GENTOO GLSA-200703-19
http://sourceforge.net/project/shownotes.php?release_id=431724&group_id=32584 Patch External Source CONFIRM http://sourceforge.net/project/shownotes.php?release_id=431724&group_id=32584
http://www.novell.com/linux/security/advisories/2006_42_kernel.html External Source SUSE SUSE-SA:2006:042
http://www.securityfocus.com/archive/1/archive/1/442986/100/0/threaded External Source BUGTRAQ 20060811 Re: [ GLSA 200608-12 ] x11vnc: Authentication bypass in included LibVNCServer code
http://www.securityfocus.com/bid/18977 External Source BID 18977
http://www.vupen.com/english/advisories/2006/2797 External Source VUPEN ADV-2006-2797

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:libvncserver:libvncserver:0.7.1:*:*:*:*:*:*:*

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History 2 change records found - show changes