CVEvulnerability
CVE-2012-5975
9.3 HIGH
Official page ↗
- Status
- Modified
- Published
- 2012-12-04
- Last modified
- 2026-06-16
- Assigner
- [email protected]
- CVSS 2.0 ([email protected])
- 9.3 HIGH — AV:N/AC:M/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-287
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.
Affected configurations
• ssh tectia server 6.0.4
• ssh tectia server 6.0.5
• ssh tectia server 6.0.6
• ssh tectia server 6.0.7
• ssh tectia server 6.0.8
• ssh tectia server 6.0.9
• ssh tectia server 6.0.10
• ssh tectia server 6.0.11
• ssh tectia server 6.0.12
• ssh tectia server 6.0.13
• ssh tectia server 6.0.14
• ssh tectia server 6.0.17
• ssh tectia server 6.0.18
• ssh tectia server 6.0.19
• ssh tectia server 6.0.20.
• ssh tectia server 6.1.0
• ssh tectia server 6.1.1
• ssh tectia server 6.1.2
• ssh tectia server 6.1.3
• ssh tectia server 6.1.4
• ssh tectia server 6.1.5
• ssh tectia server 6.1.6
• ssh tectia server 6.1.7
• ssh tectia server 6.1.8
• ssh tectia server 6.1.9
• ssh tectia server 6.1.12
• ssh tectia server 6.2.0
• ssh tectia server 6.2.1
• ssh tectia server 6.2.2
• ssh tectia server 6.2.3
• ssh tectia server 6.2.4
• ssh tectia server 6.2.5
• ssh tectia server 6.3.0
• ssh tectia server 6.3.1
• ssh tectia server 6.3.2
Related
Weakness · CWE (1)
- CWE-287 Improper Authentication weakness
References
- http://archives.neohapsis.com/archives/fulldisclosure/2012-12/0013.html archives.neohapsis.com
- http://archives.neohapsis.com/archives/fulldisclosure/2012-12/0065.html archives.neohapsis.com
- http://www.exploit-db.com/exploits/23082/ www.exploit-db.com
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/unix/ssh/tectia_passwd_changereq.rb Exploit
- http://archives.neohapsis.com/archives/fulldisclosure/2012-12/0013.html archives.neohapsis.com
- http://archives.neohapsis.com/archives/fulldisclosure/2012-12/0065.html archives.neohapsis.com
- http://www.exploit-db.com/exploits/23082/ www.exploit-db.com
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/unix/ssh/tectia_passwd_changereq.rb Exploit