CVE-2012-5975
First published: Tue Dec 04 2012(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| 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 | |
| Linux kernel |
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Reference Links
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.
- agent/references
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- agent/softwarecombine
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- collector/mitre-cve
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- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/ssh
- canonical/ssh tectia server
- version/ssh tectia server/6.0.4
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- version/ssh tectia server/6.0.10
- version/ssh tectia server/6.0.11
- version/ssh tectia server/6.0.12
- version/ssh tectia server/6.0.13
- version/ssh tectia server/6.0.14
- version/ssh tectia server/6.0.17
- version/ssh tectia server/6.0.18
- version/ssh tectia server/6.0.19
- version/ssh tectia server/6.0.20.
- version/ssh tectia server/6.1.0
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- version/ssh tectia server/6.1.3
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- version/ssh tectia server/6.1.6
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- version/ssh tectia server/6.2.3
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- version/ssh tectia server/6.2.5
- version/ssh tectia server/6.3.0
- version/ssh tectia server/6.3.1
- version/ssh tectia server/6.3.2
- vendor/linux
- canonical/linux kernel