Thanks for taking the time to report this bug and helping to make Ubuntu better. We appreciate the difficulties you are facing, but this appears to be a "regular" (non-security) bug. I have unmarked it as a security issue since this bug does not show evidence of allowing attackers to cross privilege boundaries nor directly cause loss of data/privacy. Please feel free to report any other bugs you may find.
** Information type changed from Private Security to Public -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-screensaver in Ubuntu. https://bugs.launchpad.net/bugs/1152313 Title: gnome-screensaver crashed with SIGSEGV Status in “gnome-screensaver” package in Ubuntu: New Bug description: Open UrbanTerror 2 Join a Game Wait for screensaver without doing anything. The gnome-screensaver die. Because the "new" gnome-screensaver is used to lock the screen it is a security vuln. A malware can use that bug to unlock the computer. ProblemType: Crash DistroRelease: Ubuntu 12.10 Package: gnome-screensaver 3.6.0-0ubuntu2.1 ProcVersionSignature: Ubuntu 3.5.0-26.40-generic 3.5.7.6 Uname: Linux 3.5.0-26-generic x86_64 NonfreeKernelModules: fglrx ApportVersion: 2.6.1-0ubuntu10 Architecture: amd64 CrashCounter: 1 Date: Thu Mar 7 21:20:12 2013 ExecutablePath: /usr/bin/gnome-screensaver GnomeSessionIdleInhibited: No GnomeSessionInhibitors: None GsettingsGnomeSession: org.gnome.desktop.session idle-delay uint32 60 org.gnome.desktop.session session-name 'ubuntu' InstallationDate: Installed on 2012-11-02 (125 days ago) InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5) MarkForUpload: True ProcCmdline: /usr/bin/gnome-screensaver --no-daemon SegvAnalysis: Segfault happened at: 0x7f68832f0250: mov 0x60(%rdi),%rcx PC (0x7f68832f0250) ok source "0x60(%rdi)" (0x00000060) not located in a known VMA region (needed readable region)! destination "%rcx" ok SegvReason: reading NULL VMA Signal: 11 SourcePackage: gnome-screensaver StacktraceTop: ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0 ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0 ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0 ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0 ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0 Title: gnome-screensaver crashed with SIGSEGV UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip disk kismet libvirtd lpadmin plugdev sambashare src sudo vboxusers To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-screensaver/+bug/1152313/+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
