CVE-2012-5975
The SSH USERAUTH CHANGE REQUEST feature in SSH Tectia Server 6.0.4 through 6.0.20, 6.1.0 through 6.1.12, 6.2.0 through 6.2.5, and 6.3.0 through 6.3.2 on UNIX and Linux, when old-style password authentication is enabled, allows remote attackers to bypass authentication via a crafted session involving entry of blank passwords, as demonstrated by a root login session from a modified OpenSSH client with an added input_userauth_passwd_changereq call in sshconnect2.c.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2012-5975?
CVE-2012-5975 has a medium severity rating, indicating potential issues with authentication bypass.
How do I fix CVE-2012-5975?
To fix CVE-2012-5975, update your SSH Tectia Server to a version later than 6.3.2 where the vulnerability is patched.
What systems are affected by CVE-2012-5975?
CVE-2012-5975 affects SSH Tectia Server versions 6.0.4 to 6.3.2 on UNIX and Linux systems.
Can CVE-2012-5975 be exploited remotely?
Yes, CVE-2012-5975 allows remote attackers to bypass authentication under specific conditions.
Is old-style password authentication a risk with CVE-2012-5975?
Yes, the vulnerability is particularly concerning when old-style password authentication is enabled.