19121 : SILC Server and Toolkit silcd.c Symlink Arbitrary File Overwrite
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Info

Last Modified
6 months ago

Percent Complete
100%

Disclosure
Sep 01, 2005

Discovery
May 31, 2005

Dates

Exploit
Sep 01, 2005

Solution
Unknown

Description

 SILC Server and Toolkit contains a flaw that may allow a malicious local user to overwrite arbitrary files on the system. The issue is due to the program creating temporary files insecurely. It is possible for a user to use a symlink style attack to manipulate arbitrary files, resulting in a loss of integrity.

Classification

 Location: Local Access Required
Attack Type: Race Condition
Impact: Loss of Integrity
Exploit: Exploit Available
Disclosure: OSVDB Verified

Solution

 Currently, there are no known workarounds or upgrades to correct this issue. However, Tavis Ormandy (Gentoo) has released an unofficial patch to address this vulnerability.

Products
SILC Project
Watch-list
SILC Server
Watch-list
 1.0
SILC Toolkit
Watch-list
 1.0
0.9.12-r3

References

Credit
  • Eric Romang - eromangBrand New Doo Doozataz.net - ZATAZ Audit

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