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Fedora Core vixie-cron Exposure of Arbitrary Cron Files
Secunia Advisory: SA14862
Release Date: 2005-04-08
Last Update: 2005-07-13
Popularity: 7,853 views

Critical:
Not critical
Impact: Exposure of system information
Where: Local system
Solution Status: Vendor Patch

OS:Fedora Core 3
Fedora Core 4

Secunia CVSS-2 Score: Available in Secunia business solutions

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

Description:
Karol Wiêsek has discovered a vulnerability in vixie-cron on Fedora Core, which can be exploited by malicious, local users to read arbitrary cron files.

The vulnerability is caused due to a missing check of the temporary file edited by the user. This can be exploited by removing the temporary cron file while it is being edited and replace it with a symbolic link to arbitrary cron files.

The vulnerability has been confirmed on a fully updated Fedora Core 3 system.

NOTE: This issue appears to be similar to an issue, which was reported in vixie-cron in year 2000 and subsequently fixed in some other distributions.

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



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