Vulnerability CVE-2006-2450
Published: 2006-07-18   Modified: 2012-02-12

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.

Type:

CWE-Other

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Libvncserver -> Libvncserver 

 References:
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
http://security.gentoo.org/glsa/glsa-200608-05.xml
http://security.gentoo.org/glsa/glsa-200608-12.xml
http://security.gentoo.org/glsa/glsa-200703-19.xml
http://sourceforge.net/project/shownotes.php?release_id=431724&group_id=32584
http://www.novell.com/linux/security/advisories/2006_42_kernel.html
http://www.securityfocus.com/archive/1/442986/100/0/threaded
http://www.securityfocus.com/bid/18977
http://www.vupen.com/english/advisories/2006/2797
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