Linux Kernel CIFS Local Security Bypass Weakness

BID:25244

Info

Linux Kernel CIFS Local Security Bypass Weakness

Bugtraq ID: 25244
Class: Design Error
CVE: CVE-2007-3843
Remote: No
Local: Yes
Published: Jul 03 2007 12:00AM
Updated: Feb 08 2008 01:56PM
Credit: The vendor disclosed this issue.
Vulnerable: Ubuntu Ubuntu Linux 7.04 sparc
Ubuntu Ubuntu Linux 7.04 powerpc
Ubuntu Ubuntu Linux 7.04 i386
Ubuntu Ubuntu Linux 7.04 amd64
SuSE SUSE Linux Enterprise Server 10 SP1
SuSE SUSE Linux Enterprise SDK 10.SP1
SuSE Suse Linux Enterprise Desktop 10 SP1
SuSE SUSE Linux Enterprise 10 SP1 DEBUGINFO
SuSE Linux Enterprise Server 10.SP1
SuSE Linux 10.1 x86-64
SuSE Linux 10.1 x86
SuSE Linux 10.1 ppc
S.u.S.E. openSUSE 10.3
S.u.S.E. openSUSE 10.2
Redhat Enterprise Linux WS 4
Redhat Enterprise Linux ES 4
Redhat Enterprise Linux Desktop 5 client
Redhat Enterprise Linux AS 4
Redhat Enterprise Linux 5 Server
Redhat Desktop 4.0
Linux kernel 2.6.22
Linux kernel 2.6.21 4
Linux kernel 2.6.21 .7
Linux kernel 2.6.21 .6
Linux kernel 2.6.21 .3
Linux kernel 2.6.21 .2
Linux kernel 2.6.21 .1
Linux kernel 2.6.21 -git8
Linux kernel 2.6.20 .9
Linux kernel 2.6.20 .8
Linux kernel 2.6.20 .5
Linux kernel 2.6.20 .4
Linux kernel 2.6.20 .15
Linux kernel 2.6.20 .1
Linux kernel 2.6.20
Linux kernel 2.6.20
Linux kernel 2.6.19 .2
Linux kernel 2.6.19 .1
Linux kernel 2.6.19 .1
Linux kernel 2.6.19 -rc4
Linux kernel 2.6.19 -rc3
Linux kernel 2.6.19 -rc2
+ Trustix Secure Enterprise Linux 2.0
+ Trustix Secure Linux 2.2
+ Trustix Secure Linux 2.1
+ Trustix Secure Linux 2.0
Linux kernel 2.6.19 -rc1
Linux kernel 2.6.19
Linux kernel 2.6.18 .4
Linux kernel 2.6.18 .3
Linux kernel 2.6.18 .1
Linux kernel 2.6.18
Linux kernel 2.6.17 .9
Linux kernel 2.6.17 .8
Linux kernel 2.6.17 .7
Linux kernel 2.6.17 .6
Linux kernel 2.6.17 .5
Linux kernel 2.6.17 .4
Linux kernel 2.6.17 .3
Linux kernel 2.6.17 .2
Linux kernel 2.6.17 .14
Linux kernel 2.6.17 .13
Linux kernel 2.6.17 .12
Linux kernel 2.6.17 .11
Linux kernel 2.6.17 .10
Linux kernel 2.6.17 .1
Linux kernel 2.6.17 -rc5
Linux kernel 2.6.17
Linux kernel 2.6.17
Linux kernel 2.6.17
Linux kernel 2.6.17
Linux kernel 2.6.16 27
Linux kernel 2.6.16 13
Linux kernel 2.6.16 .9
Linux kernel 2.6.16 .8
Linux kernel 2.6.16 .7
Linux kernel 2.6.16 .5
Linux kernel 2.6.16 .4
Linux kernel 2.6.16 .3
Linux kernel 2.6.16 .23
Linux kernel 2.6.16 .21
Linux kernel 2.6.16 .2
Linux kernel 2.6.16 .19
Linux kernel 2.6.16 .18
Linux kernel 2.6.16 .17
Linux kernel 2.6.16 .16
Linux kernel 2.6.16 .12
Linux kernel 2.6.16 .11
Linux kernel 2.6.16 .1
Linux kernel 2.6.16 -rc1
Linux kernel 2.6.16
Linux kernel 2.6.16
Linux kernel 2.6.15 .6
Linux kernel 2.6.15 .4
Linux kernel 2.6.15 .3
Linux kernel 2.6.15 .2
Linux kernel 2.6.15 .1
Linux kernel 2.6.15 -rc6
Linux kernel 2.6.15 -rc5
Linux kernel 2.6.15 -rc4
Linux kernel 2.6.15 -rc3
Linux kernel 2.6.15 -rc2
Linux kernel 2.6.15 -rc1
Linux kernel 2.6.15
Linux kernel 2.6.15
+ Trustix Secure Enterprise Linux 2.0
+ Trustix Secure Linux 2.2
+ Trustix Secure Linux 2.1
+ Trustix Secure Linux 2.0
Linux kernel 2.6.14 .5
Linux kernel 2.6.14 .4
Linux kernel 2.6.14 .3
Linux kernel 2.6.14 .2
Linux kernel 2.6.14 .1
Linux kernel 2.6.14 -rc4
Linux kernel 2.6.14 -rc3
Linux kernel 2.6.14 -rc2
Linux kernel 2.6.14 -rc1
Linux kernel 2.6.14
Linux kernel 2.6.14
Linux kernel 2.6.13 .4
Linux kernel 2.6.13 .3
Linux kernel 2.6.13 .2
Linux kernel 2.6.13 .1
Linux kernel 2.6.13 -rc7
Linux kernel 2.6.13 -rc6
Linux kernel 2.6.13 -rc4
Linux kernel 2.6.13 -rc1
Linux kernel 2.6.13
Linux kernel 2.6.13
+ Trustix Secure Enterprise Linux 2.0
+ Trustix Secure Linux 2.2
+ Trustix Secure Linux 2.1
+ Trustix Secure Linux 2.0
Linux kernel 2.6.12 .6
Linux kernel 2.6.12 .5
Linux kernel 2.6.12 .4
Linux kernel 2.6.12 .3
Linux kernel 2.6.12 .22
Linux kernel 2.6.12 .2
Linux kernel 2.6.12 .12
Linux kernel 2.6.12 .1
Linux kernel 2.6.12 -rc5
Linux kernel 2.6.12 -rc4
Linux kernel 2.6.12 -rc1
Linux kernel 2.6.12
Linux kernel 2.6.12
Linux kernel 2.6.11 .8
Linux kernel 2.6.11 .7
Linux kernel 2.6.11 .6
Linux kernel 2.6.11 .5
Linux kernel 2.6.11 .4
Linux kernel 2.6.11 .12
Linux kernel 2.6.11 .11
Linux kernel 2.6.11 -rc4
Linux kernel 2.6.11 -rc3
Linux kernel 2.6.11 -rc2
Linux kernel 2.6.11
Linux kernel 2.6.11
+ Trustix Secure Enterprise Linux 2.0
+ Trustix Secure Linux 2.2
+ Trustix Secure Linux 2.1
+ Trustix Secure Linux 2.0
Linux kernel 2.6.10 rc2
Linux kernel 2.6.10
Linux kernel 2.6.10
Linux kernel 2.6.9
Linux kernel 2.6.8 rc3
Linux kernel 2.6.8 rc2
Linux kernel 2.6.8 rc1
+ Ubuntu Ubuntu Linux 4.1 ppc
 + Ubuntu Ubuntu Linux 4.1 ia64
 + Ubuntu Ubuntu Linux 4.1 ia32
 Linux kernel 2.6.8
Linux kernel 2.6.7 rc1
Linux kernel 2.6.7
Linux kernel 2.6.6 rc1
Linux kernel 2.6.6
Linux kernel 2.6.5
Linux kernel 2.6.4
Linux kernel 2.6.3
Linux kernel 2.6.2
Linux kernel 2.6.1 -rc2
Linux kernel 2.6.1 -rc1
Linux kernel 2.6.1
Linux kernel 2.6 .10
Linux kernel 2.6 -test9-CVS
Linux kernel 2.6 -test9
Linux kernel 2.6 -test8
Linux kernel 2.6 -test7
Linux kernel 2.6 -test6
Linux kernel 2.6 -test5
Linux kernel 2.6 -test4
Linux kernel 2.6 -test3
Linux kernel 2.6 -test2
Linux kernel 2.6 -test11
Linux kernel 2.6 -test10
Linux kernel 2.6 -test1
Linux kernel 2.6
Linux kernel 2.6.8.1
+ S.u.S.E. Linux Personal 9.2 x86_64
 + S.u.S.E. Linux Personal 9.2
+ Ubuntu Ubuntu Linux 4.1 ppc
 + Ubuntu Ubuntu Linux 4.1 ia64
 + Ubuntu Ubuntu Linux 4.1 ia32
 Linux kernel 2.6.22-rc7
Linux kernel 2.6.21-RC6
Linux kernel 2.6.21-RC5
Linux kernel 2.6.21-RC4
Linux kernel 2.6.21-RC3
Linux kernel 2.6.21-RC3
Linux kernel 2.6.20.3
Linux kernel 2.6.20.2
Linux kernel 2.6.20.13
Linux kernel 2.6.20.11
Linux kernel 2.6.20-rc2
Linux kernel 2.6.20-2
Linux kernel 2.6.18-8.1.8.el5
Linux kernel 2.6.18
Linux kernel 2.6.15.5
Linux kernel 2.6.15.11
Linux kernel 2.6.11.4
Debian Linux 4.0 sparc
Debian Linux 4.0 s/390
Debian Linux 4.0 powerpc
Debian Linux 4.0 mipsel
Debian Linux 4.0 mips
Debian Linux 4.0 m68k
Debian Linux 4.0 ia-64
Debian Linux 4.0 ia-32
Debian Linux 4.0 hppa
Debian Linux 4.0 arm
Debian Linux 4.0 amd64
Debian Linux 4.0 alpha
Debian Linux 4.0
Avaya SES 3.1.2
Avaya SES 3.1.1
Avaya SES 4.0
Avaya Messaging Storage Server MSS 3.0
Avaya Message Networking MN 3.1
Avaya Intuity AUDIX LX 2.0
Avaya Communication Manager 4.0
Avaya Communication Manager 3.1
Avaya Communication Manager 3.0
Avaya CCS 3.1.2
Avaya CCS 3.1.1
Avaya CCS 4.0
Avaya Aura Application Enablement Services 4.0.1
Not Vulnerable: Linux kernel 2.6.23 -rc1

Discussion

Linux Kernel CIFS Local Security Bypass Weakness

The Linux kernel is prone to a security-bypass weakness.

A local attacker may exploit this issue to bypass certain security restrictions, which may lead to other attacks.

Linux kernel versions prior to 2.6.23-rc1 are vulnerable.

Exploit / POC

Linux Kernel CIFS Local Security Bypass Weakness

Currently we are not aware of any working exploits for this issue. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Solution / Fix

Linux Kernel CIFS Local Security Bypass Weakness

Solution:
The vendor has addressed this issue in version 2.6.23-rc1. Please see the references for more information.


Linux kernel 2.6.20.2

Linux kernel 2.6.21-RC3

Linux kernel 2.6.21-RC3

Linux kernel 2.6.11.4

Linux kernel 2.6.20-rc2

Linux kernel 2.6.20-2

Linux kernel 2.6.21-RC4

Linux kernel 2.6.20.3

Linux kernel 2.6 -test6

Linux kernel 2.6 -test4

Linux kernel 2.6 -test2

Linux kernel 2.6 -test9-CVS

Linux kernel 2.6 -test7

Linux kernel 2.6 -test9

Linux kernel 2.6.1 -rc2

Linux kernel 2.6.1

Linux kernel 2.6.10 rc2

Linux kernel 2.6.11

Linux kernel 2.6.11 -rc3

Linux kernel 2.6.11 .11

Linux kernel 2.6.12 .4

Linux kernel 2.6.12 .1

Linux kernel 2.6.12 -rc4

Linux kernel 2.6.12 .12

Linux kernel 2.6.12 .22

Linux kernel 2.6.12 .2

Linux kernel 2.6.13 -rc4

Linux kernel 2.6.13

Linux kernel 2.6.14 .4

Linux kernel 2.6.15 -rc6

Linux kernel 2.6.15

Linux kernel 2.6.15

Linux kernel 2.6.15 -rc1

Linux kernel 2.6.15 -rc3

Linux kernel 2.6.15 .4

Linux kernel 2.6.16 .3

Linux kernel 2.6.16 .9

Linux kernel 2.6.16 .5

Linux kernel 2.6.16 .1

Linux kernel 2.6.16 .23

Linux kernel 2.6.16 -rc1

Linux kernel 2.6.17

Linux kernel 2.6.17 .5

Linux kernel 2.6.17 .1

Linux kernel 2.6.17 .7

Linux kernel 2.6.17 .13

Linux kernel 2.6.17 .10

Linux kernel 2.6.17 .9

Linux kernel 2.6.18 .3

Linux kernel 2.6.19 -rc2

Linux kernel 2.6.2

Linux kernel 2.6.20 .15

Linux kernel 2.6.20 .4

Linux kernel 2.6.20

Linux kernel 2.6.21 -git8

Linux kernel 2.6.21 .7

Linux kernel 2.6.21 4

Linux kernel 2.6.21 .3

References

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