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Bug 6232 - Security issue with autofs
Security issue with autofs
Product: Red Hat Linux
Classification: Retired
Component: autofs (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Cristian Gafton
: Security
Depends On:
  Show dependency treegraph
Reported: 1999-10-22 06:32 EDT by ggm
Modified: 2008-05-01 11:37 EDT (History)
0 users

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Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Last Closed: 2000-02-02 09:23:20 EST
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RHEL 7.3 requirements from Atomic Host:
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Description ggm 1999-10-22 06:32:17 EDT
I was having a play around with autofs.  The default
installation provides a mount point of /misc/cd which will
mount /dev/cdrom.

Say, for instance, I have a suid root bash shell burned onto
a CD.  I can gain root access.  That easy.

The solution would be to distribute the default
/etc/auto.misc to have the cd mount point with the
parameters -fstype=iso9660,nosuid,nodev,noexec to be safer.
Comment 1 Nalin Dahyabhai 2000-02-02 09:23:59 EST
The nosuid and nodev flags will be added to the defaults for autofs-3.1.4-2 and

I don't believe adding noexec would make anything safer, and it would certainly
annoy anyone trying to install software from a disc with an installer on the CD
itself (lots of unhappy Quake III players, not a pretty thought).  But I'm not a
security expert.  If you know of any holes that remain open by not adding
noexec, please reopen this bug and I'll take a closer look.

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