This bug was fixed in the package gvfs - 1.38.1-0ubuntu1.1 --------------- gvfs (1.38.1-0ubuntu1.1) cosmic; urgency=medium
* debian/patches/series: - include git_invalid_autorun.patch which was mentioned in the previous upload but not added to the serie gvfs (1.38.1-0ubuntu1) cosmic; urgency=medium * New upstream version (lp: #1803186) - smbbrowse: Force NT1 protocol version for workgroup support (lp: #1778322) * debian/patches/git_invalid_autorun.patch: - common: Prevent crashes on invalid autorun file (lp: #1798725) -- Sebastien Bacher <seb...@ubuntu.com> Wed, 21 Nov 2018 15:03:01 +0100 ** Changed in: gvfs (Ubuntu Cosmic) Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gvfs in Ubuntu. https://bugs.launchpad.net/bugs/1798725 Title: gvfs may crash when parsing non-valid UTF8 in autorun.inf Status in gvfs package in Ubuntu: Fix Released Status in gvfs source package in Bionic: Fix Released Status in gvfs source package in Cosmic: Fix Released Bug description: * Impact gvfs can be made to segfault by being provided an invalid autorun.inf * Test Case Use the proof of concept from bellow to generate an invalid autorun.inf and place it on an usb drive, connect the drive to the computer, gvfs shouldn't hit a segfault * Regression potential Check that the autorun feature keeps working ----------------------- Reported upstream at https://bugs.exim.org/show_bug.cgi?id=2330 - libpcre3 can be made to crash when matching the pattern \s*= when the context is n\xff= Able to reproduce on current Bionic using the PoC attached (which is copied directly from the upstream bug report) - in a fresh Bionic VM: $ sudo apt install build-essential libgtk2.0-dev $ cd PCRE_PoC $ ./compilePoC.sh $ ./PoC Content: ------------------- n�= ------------------- Pattern: ------------------- \s*= --------------------- Segmentation fault (core dumped) Haven't yet tested the second PoC via an external disk autorun.inf and gvfs-udisks2-volume-monitor. Also haven't tested in Cosmic / older releases To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gvfs/+bug/1798725/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp