CVE-2012-5975

Public Exploit

Description

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.

Category

9.3
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 25.75% Top 5%
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.exploit-db.com/exploits/23082/ exploit
http://archives.neohapsis.com/archives/fulldisclosure/2012-12/0065.html mailing list
http://archives.neohapsis.com/archives/fulldisclosure/2012-12/0013.html mailing list
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/unix/ssh/tectia_passwd_changereq.rb exploit

Frequently Asked Questions

What is the severity of CVE-2012-5975?
CVE-2012-5975 has been scored as a critical severity vulnerability.
How to fix CVE-2012-5975?
To fix CVE-2012-5975, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-5975 being actively exploited in the wild?
It is possible that CVE-2012-5975 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~26% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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