Todd Miller Sudo Local Race Condition Vulnerability

BID:13993

Info

Todd Miller Sudo Local Race Condition Vulnerability

Bugtraq ID: 13993
Class: Race Condition Error
CVE: CVE-2005-1993
Remote: No
Local: Yes
Published: Jun 20 2005 12:00AM
Updated: May 12 2015 07:49PM
Credit: Discovery of this issue is credited to Charles Morris.
Vulnerable: Turbolinux Turbolinux Workstation 8.0
Turbolinux Turbolinux Workstation 7.0
Turbolinux Turbolinux Server 10.0
Turbolinux Turbolinux Server 8.0
Turbolinux Turbolinux Server 7.0
Turbolinux Turbolinux Desktop 10.0
Turbolinux Turbolinux 10 F...
Turbolinux Home
Trustix Secure Linux 2.2
Trustix Secure Linux 2.1
Trustix Secure Enterprise Linux 2.0
Todd Miller Sudo 1.6.8 p8
+ OpenPKG OpenPKG 2.4
+ OpenPKG OpenPKG Current
 + Redhat Fedora Core4
 Todd Miller Sudo 1.6.8 p7
Todd Miller Sudo 1.6.8 p5
+ Ubuntu Ubuntu Linux 5.0 4 powerpc
 + Ubuntu Ubuntu Linux 5.0 4 i386
 + Ubuntu Ubuntu Linux 5.0 4 amd64
 Todd Miller Sudo 1.6.8 p1
Todd Miller Sudo 1.6.8
Todd Miller Sudo 1.6.7 p5
+ MandrakeSoft Corporate Server 3.0 x86_64
 + MandrakeSoft Corporate Server 3.0
+ Mandriva Linux Mandrake 10.0 AMD64
 + Mandriva Linux Mandrake 10.0
+ OpenPKG OpenPKG 2.1
+ Redhat Fedora Core3
 + Ubuntu Ubuntu Linux 4.1 ppc
 + Ubuntu Ubuntu Linux 4.1 ia64
 + Ubuntu Ubuntu Linux 4.1 ia32
 Todd Miller Sudo 1.6.7
Todd Miller Sudo 1.6.6
Todd Miller Sudo 1.6.5 p2
+ NetBSD NetBSD 1.5.2
+ OpenBSD OpenBSD 3.1
 + Redhat Linux 7.2 ia64
 + Redhat Linux 7.2 i386
 + Redhat Linux 7.2 alpha
 + Redhat Linux 7.1 ia64
 + Redhat Linux 7.1 i386
 + Redhat Linux 7.1 alpha
 + Redhat Linux 7.0 i386
 + Redhat Linux 7.0 alpha
 - Redhat Linux 6.2 sparc
 - Redhat Linux 6.2 i386
 - Redhat Linux 6.2 alpha
 + SuSE Linux 8.0 i386
 + SuSE Linux 8.0
Todd Miller Sudo 1.6.5 p1
+ Slackware Linux 8.0
Todd Miller Sudo 1.6.5
Todd Miller Sudo 1.6.4 p2
Todd Miller Sudo 1.6.4 p1
Todd Miller Sudo 1.6.4
+ MandrakeSoft Corporate Server 1.0.1
+ MandrakeSoft Single Network Firewall 7.2
+ Mandriva Linux Mandrake 8.2
+ Mandriva Linux Mandrake 8.1 ia64
 + Mandriva Linux Mandrake 8.1
+ Mandriva Linux Mandrake 8.0 ppc
 + Mandriva Linux Mandrake 8.0
+ Mandriva Linux Mandrake 7.2
+ Mandriva Linux Mandrake 7.1
+ Redhat Linux 7.2 ia64
 + Redhat Linux 7.2 i386
 + Redhat Linux 7.2 alpha
 + Redhat Linux 7.1 ia64
 + Redhat Linux 7.1 i386
 + Redhat Linux 7.1 alpha
 + Redhat Linux 7.0 i386
 + Redhat Linux 7.0 alpha
 - Redhat Linux 6.2 sparc
 - Redhat Linux 6.2 i386
 - Redhat Linux 6.2 alpha
 Todd Miller Sudo 1.6.3 p7
- FreeBSD FreeBSD 4.5
- FreeBSD FreeBSD 4.4
- FreeBSD FreeBSD 4.3
+ Redhat Linux 7.2 ia64
 + Redhat Linux 7.2 i386
 + Slackware Linux 8.0
+ SuSE Linux 7.3 sparc
 + SuSE Linux 7.3 ppc
 + SuSE Linux 7.3 i386
 + SuSE Linux 7.3
+ Trustix Secure Linux 1.5
+ Trustix Secure Linux 1.2
+ Trustix Secure Linux 1.1
Todd Miller Sudo 1.6.3 p6
Todd Miller Sudo 1.6.3 p5
Todd Miller Sudo 1.6.3 p4
+ Slackware Linux 7.1
Todd Miller Sudo 1.6.3 p3
Todd Miller Sudo 1.6.3 p2
Todd Miller Sudo 1.6.3 p1
Todd Miller Sudo 1.6.3
+ Redhat Linux 7.0 i386
 + Redhat Linux 7.0 alpha
 Todd Miller Sudo 1.6.2
- Debian Linux 2.2
Todd Miller Sudo 1.6.1
Todd Miller Sudo 1.6
Todd Miller Sudo 1.5.9
+ SuSE Linux 6.4 ppc
 + SuSE Linux 6.4 i386
 + SuSE Linux 6.4
Todd Miller Sudo 1.5.8
Todd Miller Sudo 1.5.7
Todd Miller Sudo 1.5.6
Slackware Linux 10.1
Slackware Linux 10.0
Slackware Linux 9.1
Slackware Linux 9.0
Slackware Linux 8.1
Slackware Linux -current
SGI ProPack 3.0 SP6
S.u.S.E. Linux Professional 9.3 x86_64
S.u.S.E. Linux Professional 9.3
S.u.S.E. Linux Professional 9.2 x86_64
S.u.S.E. Linux Professional 9.2
S.u.S.E. Linux Professional 9.1 x86_64
S.u.S.E. Linux Professional 9.1
S.u.S.E. Linux Professional 9.0 x86_64
S.u.S.E. Linux Professional 9.0
S.u.S.E. Linux Professional 8.2
S.u.S.E. Linux Personal 9.3 x86_64
S.u.S.E. Linux Personal 9.3
S.u.S.E. Linux Personal 9.2 x86_64
S.u.S.E. Linux Personal 9.2
S.u.S.E. Linux Personal 9.1 x86_64
S.u.S.E. Linux Personal 9.1
S.u.S.E. Linux Personal 9.0 x86_64
S.u.S.E. Linux Personal 9.0
S.u.S.E. Linux Personal 8.2
Redhat Linux 9.0 i386
Redhat Linux 7.3 i686
Redhat Linux 7.3 i386
Redhat Linux 7.3
Redhat Fedora Core2
Redhat Fedora Core1
Redhat Enterprise Linux WS 4
Redhat Enterprise Linux WS 3
Redhat Enterprise Linux WS 2.1 IA64
Redhat Enterprise Linux WS 2.1
Redhat Enterprise Linux ES 4
Redhat Enterprise Linux ES 3
Redhat Enterprise Linux ES 2.1 IA64
Redhat Enterprise Linux ES 2.1
Redhat Enterprise Linux AS 4
Redhat Enterprise Linux AS 3
Redhat Enterprise Linux AS 2.1 IA64
Redhat Enterprise Linux AS 2.1
Redhat Desktop 4.0
Redhat Desktop 3.0
Redhat Advanced Workstation for the Itanium Processor 2.1 IA64
Redhat Advanced Workstation for the Itanium Processor 2.1
OpenBSD OpenBSD 3.7
OpenBSD OpenBSD 3.6
Gentoo Linux
Apple Mac OS X Server 10.4.3
Apple Mac OS X Server 10.4.2
Apple Mac OS X Server 10.4.1
Apple Mac OS X Server 10.4
Apple Mac OS X Server 10.3.9
Apple Mac OS X Server 10.3.8
Apple Mac OS X Server 10.3.7
Apple Mac OS X Server 10.3.6
Apple Mac OS X Server 10.3.5
Apple Mac OS X Server 10.3.4
Apple Mac OS X Server 10.3.3
Apple Mac OS X Server 10.3.2
Apple Mac OS X Server 10.3.1
Apple Mac OS X Server 10.3
Apple Mac OS X 10.4.3
Apple Mac OS X 10.4.2
Apple Mac OS X 10.4.1
Apple Mac OS X 10.4
Apple Mac OS X 10.3.9
Apple Mac OS X 10.3.8
Apple Mac OS X 10.3.7
Apple Mac OS X 10.3.6
Apple Mac OS X 10.3.5
Apple Mac OS X 10.3.4
Apple Mac OS X 10.3.3
Apple Mac OS X 10.3.2
Apple Mac OS X 10.3.1
Apple Mac OS X 10.3
Not Vulnerable: Todd Miller Sudo 1.6.8 p9

Discussion

Todd Miller Sudo Local Race Condition Vulnerability

Sudo is prone to a local race-condition vulnerability. The issue manifests itself only under certain conditions, specifically, when the 'sudoers' configuration file contains a pseudo-command 'ALL' that directly follows a user's 'sudoers' entry.

When such a configuration exists, local attackers may leverage this issue to execute arbitrary executables with escalated privileges. Attackers may achieve this by creating symbolic links to target files.

Exploit / POC

Todd Miller Sudo Local Race Condition Vulnerability

No exploit is required. An exploit by '__blf', is available:

Solution / Fix

Todd Miller Sudo Local Race Condition Vulnerability

Solution:
Please see the referenced vendor advisories for details on obtaining and applying fixes.


OpenBSD OpenBSD 3.7

OpenBSD OpenBSD 3.6

Todd Miller Sudo 1.5.7

Todd Miller Sudo 1.5.8

Todd Miller Sudo 1.5.9

Todd Miller Sudo 1.6

Todd Miller Sudo 1.6.1

Todd Miller Sudo 1.6.2

Todd Miller Sudo 1.6.3

Todd Miller Sudo 1.6.3 p1

Todd Miller Sudo 1.6.3 p5

Todd Miller Sudo 1.6.3 p4

Todd Miller Sudo 1.6.3 p7

Todd Miller Sudo 1.6.4 p2

Todd Miller Sudo 1.6.4 p1

Todd Miller Sudo 1.6.4

Todd Miller Sudo 1.6.5 p2

Todd Miller Sudo 1.6.5 p1

Todd Miller Sudo 1.6.7 p5

Todd Miller Sudo 1.6.8 p5

Todd Miller Sudo 1.6.8

Todd Miller Sudo 1.6.8 p8

Apple Mac OS X 10.3

Apple Mac OS X Server 10.3.1

Apple Mac OS X 10.3.1

Apple Mac OS X 10.3.2

Apple Mac OS X Server 10.3.2

Apple Mac OS X 10.3.3

Apple Mac OS X Server 10.3.4

Apple Mac OS X Server 10.3.5

Apple Mac OS X 10.3.5

Apple Mac OS X Server 10.3.6

Apple Mac OS X 10.3.8

Apple Mac OS X Server 10.3.8

Apple Mac OS X Server 10.3.9

Apple Mac OS X 10.4

Apple Mac OS X 10.4.2

Apple Mac OS X Server 10.4.3

Apple Mac OS X 10.4.3

References

Todd Miller Sudo Local Race Condition Vulnerability

References:

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