Vulnerability Assessment & Network Security Forums



If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important.  If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.


Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200608-05] LibVNCServer: Authentication bypass


Vulnerability Assessment Details

[GLSA-200608-05] LibVNCServer: Authentication bypass

Vulnerability Assessment Summary
LibVNCServer: Authentication bypass

Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200608-05
(LibVNCServer: Authentication bypass)


LibVNCServer fails to properly validate protocol types effectively
letting users decide what protocol to use, such as "Type 1 - None".
LibVNCServer will accept this security type, even if it is not offered
by the server.

Impact

A possible hacker could use this vulnerability to gain unauthorized access
with the rights of the user running the VNC server.

Workaround

There is no known workaround at this time.

References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2450


Solution:
All LibVNCServer users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-libs/libvncserver-0.8.2"


Network Security Threat Level: High


Networks Security ID:

Vulnerability Assessment Copyright: (C) 2006 Michel Arboi

Cables, Connectors

SanDisk Ultra Fit 64GB USB 3.0 Flash Drive - SDCZ43-064G-GAM46
$21.06
SanDisk Ultra Fit 64GB USB 3.0 Flash Drive - SDCZ43-064G-GAM46 picturePNY Technologies Compact Flash USB Card Reader Accepts Type I/II Cards +2 cards
$19.0
PNY Technologies Compact Flash USB Card Reader Accepts Type I/II Cards +2 cards pictureNEW Lot 5 SanDisk Cruzer U Clip 16GB USB Flash Drive Thumb Pen Memory Stick 16
$0.01
NEW Lot 5 SanDisk Cruzer U Clip 16GB USB Flash Drive Thumb Pen Memory Stick 16  pictureSanDisk 16GB 2.0 Flash Cruzer Glide USB Drive (SDCZ60-016G-B35)
$10.28
SanDisk 16GB 2.0 Flash Cruzer Glide USB Drive (SDCZ60-016G-B35) picture


Discussions

No Discussions have been posted on this vulnerability.