CVE-2004-2069
First published: Fri Dec 31 2004(Updated: )
sshd.c in OpenSSH 3.6.1p2 and 3.7.1p2 and possibly other versions, when using privilege separation, does not properly signal the non-privileged process when a session has been terminated after exceeding the LoginGraceTime setting, which leaves the connection open and allows remote attackers to cause a denial of service (connection consumption).
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OpenSSH | =3.7.1p2 | |
| OpenSSH | =3.6.1p2 |
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Reference Links
- http://rhn.redhat.com/errata/RHSA-2005-550.html
- http://www.securityfocus.com/bid/14963
- http://www.osvdb.org/16567
- http://support.avaya.com/elmodocs2/security/ASA-2005-216.pdf
- http://support.avaya.com/elmodocs2/security/ASA-2005-223.pdf
- http://secunia.com/advisories/17135
- http://secunia.com/advisories/17252
- http://secunia.com/advisories/17000
- http://www.vmware.com/download/esx/esx-202-200610-patch.html
- http://www.vmware.com/download/esx/esx-213-200610-patch.html
- http://secunia.com/advisories/22875
- http://www.vmware.com/support/vi3/doc/esx-3069097-patch.html
- http://www.vmware.com/support/vi3/doc/esx-9986131-patch.html
- http://secunia.com/advisories/23680
- http://www.vupen.com/english/advisories/2006/4502
- http://marc.info/?l=openssh-unix-dev&m=107520317020444&w=2
- http://marc.info/?l=openssh-unix-dev&m=107529205602320&w=2
- https://exchange.xforce.ibmcloud.com/vulnerabilities/20930
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11541
- http://www.securityfocus.com/archive/1/451426/100/200/threaded
- http://www.securityfocus.com/archive/1/451417/100/200/threaded
- http://www.securityfocus.com/archive/1/451404/100/0/threaded
- http://www.securityfocus.com/archive/1/425397/100/0/threaded
Frequently Asked Questions
What is the severity of CVE-2004-2069?
CVE-2004-2069 is classified as a high-severity vulnerability due to its potential to allow unauthorized remote access.
How do I fix CVE-2004-2069?
To fix CVE-2004-2069, upgrade to OpenSSH versions 3.7.1p3 or later, where this issue has been addressed.
What systems are affected by CVE-2004-2069?
CVE-2004-2069 affects OpenSSH versions 3.6.1p2 and 3.7.1p2.
What is the impact of CVE-2004-2069?
The impact of CVE-2004-2069 allows remote attackers to keep SSH sessions open, potentially leading to unauthorized access.
Is CVE-2004-2069 a local or remote vulnerability?
CVE-2004-2069 is a remote vulnerability, allowing attackers to exploit the issue from outside the affected system.
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- version/openssh/3.7.1p2
- version/openssh/3.6.1p2