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[Full-disclosure] [+] Vulnerability in less version 394 and prior

Subject: [Full-disclosure] [+] Vulnerability in less version 394 and prior
Date: Wed, 31 Oct 2007 00:29:15 -0400
From: glopeda@glopeda.com
Application: less 394 and prior
Type: Format strings vulnerability
Priority: Low

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
$

See http://www.glopeda.com for more details.

-- 
Site: http://www.glopeda.com
E-mail: glopeda@glopeda.com
Name: Mitch

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