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Vulnerability Details : CVE-2006-2450

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.
Publish Date : 2006-07-18 Last Update Date : 2014-11-11
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- CVSS Scores & Vulnerability Types

CVSS Score
7.5
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access User
Vulnerability Type(s) Bypass a restriction or similar
CWE ID CWE id is not defined for this vulnerability

- Vendor Statements

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

- Related OVAL Definitions

Title Definition Id Class Family
CVE-2006-2450 oval:org.opensuse.security:def:20062450 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2006-2450

# Product Type Vendor Product Version Update Edition Language
1 Application Libvncserver Libvncserver 0.7.1 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Libvncserver Libvncserver 1

- References For CVE-2006-2450

http://secunia.com/advisories/21349
SECUNIA 21349
http://libvncserver.cvs.sourceforge.net/libvncserver/libvncserver/libvncserver/auth.c?r1=1.11&r2=1.14&diff_format=u CONFIRM
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=376824
http://www.vupen.com/english/advisories/2006/2797
VUPEN ADV-2006-2797
http://www.securityfocus.com/bid/18977
BID 18977 LibVNCServer Remote Authentication Bypass Vulnerability Release Date:2007-03-19
http://www.securityfocus.com/archive/1/archive/1/442986/100/0/threaded
BUGTRAQ 20060811 Re: [ GLSA 200608-12 ] x11vnc: Authentication bypass in included LibVNCServer code
http://secunia.com/advisories/21393
SECUNIA 21393
http://security.gentoo.org/glsa/glsa-200608-05.xml
GENTOO GLSA-200608-05
http://secunia.com/advisories/24525
SECUNIA 24525
http://secunia.com/advisories/21405
SECUNIA 21405
http://security.gentoo.org/glsa/glsa-200703-19.xml
GENTOO GLSA-200703-19
http://security.gentoo.org/glsa/glsa-200608-12.xml
GENTOO GLSA-200608-12
http://www.novell.com/linux/security/advisories/2006_42_kernel.html
SUSE SUSE-SA:2006:042
http://sourceforge.net/project/shownotes.php?release_id=431724&group_id=32584 CONFIRM
http://secunia.com/advisories/20940
SECUNIA 20940
http://secunia.com/advisories/21179
SECUNIA 21179

- Metasploit Modules Related To CVE-2006-2450

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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