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Message #03019
[Bug 1565567] Re: segv in sudo_getgrgid
Thanks for the detailed analysis.
I have uploaded a package for testing with the minimal fix in the
following PPA:
https://launchpad.net/~mdeslaur/+archive/ubuntu/testing
Once it's finished building, could someone please check if the package
resolves their issue? If so, I'll upload it to proposed as an SRU.
Thanks!
** Changed in: sudo (Ubuntu)
Assignee: (unassigned) => Marc Deslauriers (mdeslaur)
** Changed in: sudo (Ubuntu Xenial)
Assignee: (unassigned) => Marc Deslauriers (mdeslaur)
** Bug watch added: bugzilla.sudo.ws/ #743
http://bugzilla.sudo.ws/show_bug.cgi?id=743
** Also affects: sudo via
http://bugzilla.sudo.ws/show_bug.cgi?id=743
Importance: Unknown
Status: Unknown
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https://bugs.launchpad.net/bugs/1565567
Title:
segv in sudo_getgrgid
Status in sudo:
Unknown
Status in sudo package in Ubuntu:
Confirmed
Status in sudo source package in Xenial:
Confirmed
Bug description:
If the user is in a group with no name (because libnss-db got removed
and the group was defined there, for example...) then:
the call to sudo_debug_printf in sudo_getgrgid
(plugins/sudoers/pwutil.c, line 462) causes a SEGV when trying to get
item->d.gr->gr_name (since item->d.gr is NULL).
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