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SSH Tectia Products RSA Signature Forgery Vulnerability
Secunia Advisory: SA22350
Release Date: 2006-10-13
Last Update: 2006-10-27
Popularity: 11,079 views

Critical:
Less critical
Impact: Security Bypass
Where: From remote
Solution Status: Vendor Patch

Software:SSH Tectia Client 4.x
SSH Tectia Client 5.x
SSH Tectia Manager 2.x
SSH Tectia Server 4.x
SSH Tectia Server 5.x
SSH Tectia Server for IBM z/OS 5.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
A vulnerability has been reported in SSH Tectia Server, SSH Tectia Manager, and SSH Tectia Client, which can be exploited by malicious people to bypass certain security restrictions.

The vulnerability is caused due to an error within the verification of certain signatures. If an RSA key with exponent 3 is used, it may be possible to forge a PKCS #1 v1.5 signature signed by that key.

The vulnerability is reported in the following products:
* SSH Tectia Server prior to 5.1.1
* SSH Tectia Manager prior to 2.2.1
* SSH Tectia Server for IBM z/OS prior to 5.2.1
* SSH Tectia Client prior to 5.1.1

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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