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Heimdal setuid Security Issue
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Secunia Advisory:
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SA21436
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Release Date:
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2006-08-09
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Popularity:
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6,125 views
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Critical:
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Less critical
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Impact:
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Privilege escalation
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Where:
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Local system
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Solution Status:
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Vendor Patch
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| Software: | Heimdal 0.5.x
Heimdal 0.6.x
Heimdal 0.7.x
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Secunia CVSS-2 Score:
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Available in Secunia business solutions 
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| Advisory Content (Page 1 of 3) | [ 1 ] [ 2 ] [ 3 ] | |
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Description:
A security issue has been reported in Heimdal, which potentially can be exploited by malicious, local users to perform certain actions with escalated privileges.
The security issue is caused due to missing checks for whether the "setuid()" call has succeeded in the bundled rcp application. This may be exploited to perform certain actions with root privileges if the "setuid()" call fails due to e.g. resource limits.
NOTE: This is currently only known to affect the Linux and AIX operating systems.
Successful exploitation requires that "rcp" is installed setuid root (not installed by default).
It has also been reported that similar missing checks exists for the "seteuid()" call in some bundled applications. However, this is currently not known to affect any operating systems.
The security issue has been reported in version 0.7.2. Prior versions may also be affected.
Change Page:
[ 1 ] [ 2 ] [ 3 ]
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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