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CVE-2008-1845 - Sugar coated Punches

Description

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.

Reference

http://www.mirbsd.org/mksh.htm#clog http://www.securityfocus.com/bid/28768 http://secunia.com/advisories/29803 http://www.osvdb.org/44365 https://exchange.xforce.ibmcloud.com/vulnerabilities/41794