SecureCRT / SecureFX Potential Buffer Overflow Vulnerability
Secunia Advisory: SA19040
Release Date: 2006-03-03
Last Update: 2006-03-08
Popularity: 9,429 views

Critical:
Less critical
Impact: System access
Where: From remote
Solution Status: Vendor Patch

Software:SecureCRT 5.x
SecureFX 3.x

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CVE reference:CVE-2006-1038


Description:
A vulnerability has been reported in SecureCRT and SecureFX, which potentially can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error when converting a unicode string to a multi-byte string. This can potentially be exploited to cause a buffer overflow when certain unspecified conditions are met.

The vulnerability has been reported in the following versions:
* SecureCRT version 5.0.4 and prior.
* SecureFX version 3.0.4 and prior.

Solution:
Update to a fixed version.

SecureCRT:
Update to version 5.0.5.
http://www.vandyke.com/download/securecrt/index.html

SecureFX:
Update to version 3.0.5.
http://www.vandyke.com/download/securefx/index.html

Provided and/or discovered by:
Reported by vendor.

Changelog:
2006-03-06: Updated version number for SecureFX in "Solution" section. Added link to vendor advisory. Lowered rating to "Less critical".
2006-03-08: Added CVE reference.

Original Advisory:
VanDyke Software:
http://www.vandyke.com/support/advisory/2006/03/19040.html
http://www.vandyke.com/products/securecrt/history.txt
http://www.vandyke.com/products/securefx/history.txt


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