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Message #20568
[Bug 1373495] Re: sudo shouldn't preserve HOME environment variable by default
** Description changed:
Currently Ubuntu hard-coded sudo to preserve HOME environment variable
to point to sudo caller's home directory by default(refer bug #760140)
however this is dangerous and error-prone because the program run by
root may write files (e.g. $HOME/.Xauthority , program config files)
into the HOME directory **AS ROOT** which, will cause issue when users
run the same program as themselves and even make the user failed to
login(due to .Xauthority file owner is incorrect)
In my opinion the Ubuntu patch that make $HOME variable keep in sudo is
INSANE and should be reverted(Ubuntu should use the safest configuration
- by default), any user wish to run command as root using their HOME
- directory should set env_keep in /etc/sudoers themselves and
+ to generic users by default), any user wish to run command as root using
+ their HOME directory should set env_keep in /etc/sudoers themselves and
acknowledging the consequences.
RootSudo - Community Help
Wiki(https://help.ubuntu.com/community/RootSudo ) wrongly tells that
graphical application shouldn't be launch by sudo, but in fact the real
issue is in this bug.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: sudo 1.8.9p5-1ubuntu1
ProcVersionSignature: Ubuntu 3.16.0-17.23-lowlatency 3.16.3
Uname: Linux 3.16.0-17-lowlatency i686
ApportVersion: 2.14.1-0ubuntu3.4
Architecture: i386
CurrentDesktop: KDE
Date: Thu Sep 25 00:08:44 2014
InstallationDate: Installed on 2013-03-08 (564 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.2)
SourcePackage: sudo
UpgradeStatus: Upgraded to trusty on 2014-04-19 (158 days ago)
VisudoCheck:
/etc/sudoers: parsed OK
/etc/sudoers.d/Preserve_input_method_required_environmental_variables: parsed OK
/etc/sudoers.d/README: parsed OK
modified.conffile..etc.sudoers.d.README: [modified]
mtime.conffile..etc.sudoers.d.README: 2014-09-24T22:26:35.734703
** Description changed:
Currently Ubuntu hard-coded sudo to preserve HOME environment variable
to point to sudo caller's home directory by default(refer bug #760140)
however this is dangerous and error-prone because the program run by
root may write files (e.g. $HOME/.Xauthority , program config files)
into the HOME directory **AS ROOT** which, will cause issue when users
run the same program as themselves and even make the user failed to
login(due to .Xauthority file owner is incorrect)
In my opinion the Ubuntu patch that make $HOME variable keep in sudo is
INSANE and should be reverted(Ubuntu should use the safest configuration
- to generic users by default), any user wish to run command as root using
+ to general users by default), any user wish to run command as root using
their HOME directory should set env_keep in /etc/sudoers themselves and
acknowledging the consequences.
RootSudo - Community Help
Wiki(https://help.ubuntu.com/community/RootSudo ) wrongly tells that
graphical application shouldn't be launch by sudo, but in fact the real
issue is in this bug.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: sudo 1.8.9p5-1ubuntu1
ProcVersionSignature: Ubuntu 3.16.0-17.23-lowlatency 3.16.3
Uname: Linux 3.16.0-17-lowlatency i686
ApportVersion: 2.14.1-0ubuntu3.4
Architecture: i386
CurrentDesktop: KDE
Date: Thu Sep 25 00:08:44 2014
InstallationDate: Installed on 2013-03-08 (564 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.2)
SourcePackage: sudo
UpgradeStatus: Upgraded to trusty on 2014-04-19 (158 days ago)
VisudoCheck:
/etc/sudoers: parsed OK
/etc/sudoers.d/Preserve_input_method_required_environmental_variables: parsed OK
/etc/sudoers.d/README: parsed OK
modified.conffile..etc.sudoers.d.README: [modified]
mtime.conffile..etc.sudoers.d.README: 2014-09-24T22:26:35.734703
--
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to sudo in Ubuntu.
https://bugs.launchpad.net/bugs/1373495
Title:
sudo shouldn't preserve HOME environment variable by default
Status in “sudo” package in Ubuntu:
New
Bug description:
Currently Ubuntu hard-coded sudo to preserve HOME environment variable
to point to sudo caller's home directory by default(refer bug #760140)
however this is dangerous and error-prone because the program run by
root may write files (e.g. $HOME/.Xauthority , program config files)
into the HOME directory **AS ROOT** which, will cause issue when users
run the same program as themselves and even make the user failed to
login(due to .Xauthority file owner is incorrect)
In my opinion the Ubuntu patch that make $HOME variable keep in sudo
is INSANE and should be reverted(Ubuntu should use the safest
configuration to general users by default), any user wish to run
command as root using their HOME directory should set env_keep in
/etc/sudoers themselves and acknowledging the consequences.
RootSudo - Community Help
Wiki(https://help.ubuntu.com/community/RootSudo ) wrongly tells that
graphical application shouldn't be launch by sudo, but in fact the
real issue is in this bug.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: sudo 1.8.9p5-1ubuntu1
ProcVersionSignature: Ubuntu 3.16.0-17.23-lowlatency 3.16.3
Uname: Linux 3.16.0-17-lowlatency i686
ApportVersion: 2.14.1-0ubuntu3.4
Architecture: i386
CurrentDesktop: KDE
Date: Thu Sep 25 00:08:44 2014
InstallationDate: Installed on 2013-03-08 (564 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.2)
SourcePackage: sudo
UpgradeStatus: Upgraded to trusty on 2014-04-19 (158 days ago)
VisudoCheck:
/etc/sudoers: parsed OK
/etc/sudoers.d/Preserve_input_method_required_environmental_variables: parsed OK
/etc/sudoers.d/README: parsed OK
modified.conffile..etc.sudoers.d.README: [modified]
mtime.conffile..etc.sudoers.d.README: 2014-09-24T22:26:35.734703
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References
