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| Subject: | Re: [Full-disclosure] [+] Vulnerability in less version 394 and prior |
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| Date: | Tue, 30 Oct 2007 23:41:39 -0500 |
$ LESSOPEN=/bin/sh less /dev/null sh-3.2$ On Tuesday 30 October 2007, glopeda.com wrote:
There exists a format strings bug in the less application present in most flavors of UNIX. It could be leveraged for privilege escalation if the calling application is setuid/setgid and does not properly drop privileges. Meager demonstration: $ export LESSOPEN=%s%n $ less somefile Segmentation fault
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