*** This bug is a security vulnerability ***
Public security bug reported:
Binary package hint: libpam-modules
I am running Ubuntu Hardy 32-Bit on a Thinkpad T61 with all updates
available today. The gnome screensaver locks my screen after 10 minutes
idle automatically. Now in the password dialogue I can enter any
password or string and the screen gets unlocked. In syslog you'll find
the following error message simultaneously:
kernel: [32810.156696] unix_chkpwd[4787] general protection
eip:b7f86446 esp:bfd2d31c error:0
But when I lock my screen manually, this bug doesn't occur and I have to
type the right password to unlock the screen again.
Some more informations:
# lsb_release -rd
Description: Ubuntu 8.04.1
Release: 8.04
# apt-cache policy libpam-modules
libpam-modules:
Installed: 0.99.7.1-5ubuntu6.1
Candidate: 0.99.7.1-5ubuntu6.1
Version table:
*** 0.99.7.1-5ubuntu6.1 0
500 http://de.archive.ubuntu.com hardy-updates/main Packages
100 /var/lib/dpkg/status
0.99.7.1-5ubuntu6 0
500 http://de.archive.ubuntu.com hardy/main Packages
** Affects: pam (Ubuntu)
Importance: Undecided
Status: New
** Visibility changed to: Public
--
unix_chkpwd crashes on gnome-screensaver
https://bugs.launchpad.net/bugs/270781
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