Joined: 12 May 2004
|Posted: Mon Mar 26, 2007 8:26 pm Post subject: [ GLSA 200703-24 ] mgv: Stack overflow in included gv code
|Gentoo Linux Security Advisory
Title: mgv: Stack overflow in included gv code (GLSA 200703-24)
Date: March 26, 2007
mgv improperly handles user-supplied data possibly allowing for the execution of arbitrary code.
mgv is a Postscript viewer with a Motif interface, based on Ghostview and GNU gv.
Vulnerable: <= 3.1.5
Architectures: All supported architectures
mgv includes code from gv that does not properly boundary check user-supplied data before copying it into process buffers.
An attacker could entice a user to open a specially crafted Postscript document with mgv and possibly execute arbitrary code with the rights of the user running mgv.
There is no known workaround at this time.
mgv is currently unmaintained, and the mgv website no longer exists. As such, the mgv package has been masked in Portage. We recommend that users select an alternate Postscript viewer such as ghostview or GSview, and unmerge mgv:
|# emerge --unmerge "app-text/mgv" |