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>> SSH Tectia Client and Server "ssh-signer" Local Privilege Escalation Issue

Title : SSH Tectia Client and Server "ssh-signer" Local Privilege Escalation Issue
VUPEN ID : VUPEN/ADV-2008-0078
CVE ID : CVE-2007-5616
Rated as : Moderate Risk 
Remotely Exploitable : No
Locally Exploitable : Yes
Release Date : 2008-01-09


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format 

A vulnerability has been identified in SSH Tectia Client and Server, which could be exploited by malicious users to obtain elevated privileges. This issue is caused by an unspecified error within the "/opt/tectia/libexec/ssh-signer" binary, which could allow a local attacker to gain root access. No further details have been disclosed.

Affected Products

SSH Tectia Client versions 5.0 (Linux and Unix)
SSH Tectia Client versions 5.1 (Linux and Unix)
SSH Tectia Client versions 5.2.x (Linux and Unix)
SSH Tectia Client versions 5.3.x (Linux and Unix)
SSH Tectia Server versions 5.0 (Linux and Unix)
SSH Tectia Server versions 5.1 (Linux and Unix)
SSH Tectia Server versions 5.2.x (Linux and Unix)
SSH Tectia Server versions 5.3.x (Linux and Unix)

Solution

Upgrade to version 5.2.4 or 5.3.6 :
http://www.ssh.com/downloads/

References

http://www.vupen.com/english/advisories/2008/0078
http://www.kb.cert.org/vuls/id/921339

Credits

Vulnerability reported by Tuomas Siren.

ChangeLog

2008-01-09 : Initial release

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