*** This bug is a security vulnerability *** You have been subscribed to a public security bug:
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 ** Affects: gvfs (Ubuntu) Importance: Undecided Status: Confirmed -- Content "n\xff=" can crash libpcre when an application is matching the pattern \s*= https://bugs.launchpad.net/bugs/1798725 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gvfs in Ubuntu. -- desktop-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
