44365 : MirBSD Korn Shell (mksh) TTY Attachment Local Privilege Escalation
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Info

Last Modified

about 1 year ago

Percent Complete

30%

Disclosure

Apr 12, 2008

Discovery

Unknown

Dates

Exploit

Unknown

Solution

Unknown

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Keywords

Description

(Description Provided by CVE) : The Korn shell (aka mksh) before R33d on MirOS (aka MirBSD) does not flush the tty's I/O when invoking mksh in a new terminal, which allows local users to gain privileges by opening a virtual terminal and entering command sequences, which might later be executed in opportunistic circumstances by a different user who launches mksh and specifies that terminal with the -T option.

Classification

Location: Local Access Required
Solution: Upgrade

Solution

Upgrade to version R33d or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Unknown or Incomplete

References

Tools & Filters

Nessus

32067

Credit

Unknown or Incomplete

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