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MirBSD Korn Shell TTY Attachment Privilege Escalation
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Secunia Advisory:
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SA29803
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Release Date:
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2008-04-14
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Last Update:
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2008-04-21
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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: | MirBSD Korn Shell 3.x
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| | CVE reference: | CVE-2008-1845 (Secunia mirror)
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Description:
A vulnerability has been reported in MirBSD Korn Shell, which can be exploited by malicious, local users to gain escalated privileges.
The vulnerability is caused due to an error when attaching to a TTY via the "-T" command line switch. This can be exploited to execute arbitrary commands with the privileges of the user running mksh via characters previously written to the attached virtual console.
The vulnerability is reported in versions prior to R33d.
Solution:
Update to version R33d.
Provided and/or discovered by:
Reported by the vendor.
Changelog:
2008-04-21: Added CVE reference.
Original Advisory:
http://www.mirbsd.org/mksh.htm#clog
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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