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.
Vulnerability Assessment Details
openssh information leakage
Detailed Explanation for this Vulnerability Assessment
These remote packages are missing security patches :
@Mediaservice.net discovered two information leaks in the OpenSSH
server. When using password authentication, a possible hacker could
test whether a login name exists by measuring the time between
failed login attempts, i. e. the time after which the "password:"
prompt appears again.
A similar issue affects systems which do not permit root logins over
ssh ("PermitRootLogin no"). By measuring the time between login
attempts a possible hacker could check whether a given root password is
correct. This permited determining weak root passwords using a brute
Upgrade to :
- openssh-client-3.8.1p1-11ubuntu3.1 (Ubuntu 4.10)
- openssh-server-3.8.1p1-11ubuntu3.1 (Ubuntu 4.10)
- ssh-3.8.1p1-11ubuntu3.1 (Ubuntu 4.10)
- ssh-askpass-gnome-3.8.1p1-11ubuntu3.1 (Ubuntu 4.10)
Network Security Threat Level: High
Networks Security ID:
Vulnerability Assessment Copyright: Ubuntu Security Notice (C) 2005 Canonical, Inc. / NASL script (C) 2005 Michel Arboi
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