Linux Kernel Parent Process Death Signal Local Security Bypass Weakness

BID:25387

Info

Linux Kernel Parent Process Death Signal Local Security Bypass Weakness

Bugtraq ID: 25387
Class: Access Validation Error
CVE: CVE-2007-3848
Remote: No
Local: Yes
Published: Aug 21 2007 12:00AM
Updated: Mar 19 2015 09:33AM
Credit: Wojciech Purczynski is credited with the discovery of 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
Ubuntu Ubuntu Linux 6.10 sparc
Ubuntu Ubuntu Linux 6.10 powerpc
Ubuntu Ubuntu Linux 6.10 i386
Ubuntu Ubuntu Linux 6.10 amd64
Ubuntu Ubuntu Linux 6.06 LTS sparc
Ubuntu Ubuntu Linux 6.06 LTS powerpc
Ubuntu Ubuntu Linux 6.06 LTS i386
Ubuntu Ubuntu Linux 6.06 LTS amd64
SuSE SUSE Linux Enterprise Server 9
SuSE SUSE Linux Enterprise Server 8
SuSE SUSE Linux Enterprise Server 10 SP1
SuSE SUSE Linux Enterprise Server 10
SuSE SUSE Linux Enterprise SDK 10.SP1
SuSE SUSE Linux Enterprise SDK 10
SuSE SUSE Linux Enterprise Desktop 10 SP1
SuSE SUSE Linux Enterprise Desktop 10
SuSE openSUSE 10.3
SuSE Linux Professional 10.2 x86_64
SuSE Linux Personal 10.2 x86_64
S.u.S.E. UnitedLinux 1.0
S.u.S.E. SuSE Linux Standard Server 8.0
S.u.S.E. SuSE Linux School Server for i386
S.u.S.E. SUSE LINUX Retail Solution 8.0
S.u.S.E. SuSE Linux Openexchange Server 4.0
S.u.S.E. openSUSE 10.2
S.u.S.E. Open-Enterprise-Server 0
S.u.S.E. Novell Linux POS 9
S.u.S.E. Novell Linux Desktop 9.0
S.u.S.E. Linux Professional 10.0 OSS
S.u.S.E. Linux Professional 10.0
S.u.S.E. Linux Professional 10.2
S.u.S.E. Linux Professional 10.1
S.u.S.E. Linux Personal 10.0 OSS
S.u.S.E. Linux Personal 10.2
S.u.S.E. Linux Personal 10.1
S.u.S.E. Linux Openexchange Server
S.u.S.E. Linux Desktop 10
S.u.S.E. Linux 10.1 x86-64
S.u.S.E. Linux 10.1 x86
S.u.S.E. Linux 10.1 ppc
S.u.S.E. Linux 10.0 x86-64
S.u.S.E. Linux 10.0 x86
S.u.S.E. Linux 10.0 ppc
RedHat Linux Advanced Workstation 2.1 for the Ita 2.1 IA64
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 Desktop 4.0
RedHat Desktop 3.0
Red Hat Enterprise Linux Desktop 5 client
Red Hat Enterprise Linux AS 4
Red Hat Enterprise Linux AS 3
Red Hat Enterprise Linux AS 2.1 IA64
Red Hat Enterprise Linux AS 2.1
Red Hat Enterprise Linux 5 Server
Mandriva Linux Mandrake 2007.1 x86_64
Mandriva Linux Mandrake 2007.1
Mandriva Linux Mandrake 2007.0 x86_64
Mandriva Linux Mandrake 2007.0
MandrakeSoft Corporate Server 4.0 x86_64
MandrakeSoft Corporate Server 4.0
Linux kernel 2.6.22 .2
Linux kernel 2.6.22 .1
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 2.6.20 .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 2.6.19 .2
Linux kernel 2.6.19 .1
Linux kernel 2.6.19
+ Trustix Secure Enterprise Linux 2.0
+ Trustix Secure Linux 2.2
+ Trustix Secure Linux 2.1
+ Trustix Secure Linux 2.0
Linux kernel 2.6.18 .4
Linux kernel 2.6.18 .3
Linux kernel 2.6.18 .1
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
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
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
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
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
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
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
Linux kernel 2.6.10
Linux kernel 2.6.9
Linux kernel 2.6.8
Linux kernel 2.6.7
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
Linux kernel 2.6
Linux kernel 2.5.69
Linux kernel 2.5.68
Linux kernel 2.5.67
Linux kernel 2.5.66
Linux kernel 2.5.65
Linux kernel 2.5.64
Linux kernel 2.5.63
Linux kernel 2.5.62
Linux kernel 2.5.61
Linux kernel 2.5.60
Linux kernel 2.5.59
Linux kernel 2.5.58
Linux kernel 2.5.57
Linux kernel 2.5.56
Linux kernel 2.5.55
Linux kernel 2.5.54
Linux kernel 2.5.53
Linux kernel 2.5.52
Linux kernel 2.5.51
Linux kernel 2.5.50
Linux kernel 2.5.49
Linux kernel 2.5.48
Linux kernel 2.5.47
Linux kernel 2.5.46
Linux kernel 2.5.45
Linux kernel 2.5.44
Linux kernel 2.5.43
Linux kernel 2.5.42
Linux kernel 2.5.41
Linux kernel 2.5.40
Linux kernel 2.5.39
Linux kernel 2.5.38
Linux kernel 2.5.37
Linux kernel 2.5.36
Linux kernel 2.5.35
Linux kernel 2.5.34
Linux kernel 2.5.33
Linux kernel 2.5.32
Linux kernel 2.5.31
Linux kernel 2.5.30
Linux kernel 2.5.29
Linux kernel 2.5.28
Linux kernel 2.5.27
Linux kernel 2.5.26
Linux kernel 2.5.25
Linux kernel 2.5.24
Linux kernel 2.5.23
Linux kernel 2.5.22
Linux kernel 2.5.21
Linux kernel 2.5.20
Linux kernel 2.5.19
Linux kernel 2.5.18
Linux kernel 2.5.17
Linux kernel 2.5.16
Linux kernel 2.5.15
Linux kernel 2.5.14
Linux kernel 2.5.13
Linux kernel 2.5.12
Linux kernel 2.5.11
Linux kernel 2.5.10
Linux kernel 2.5.9
Linux kernel 2.5.8
Linux kernel 2.5.7
Linux kernel 2.5.6
Linux kernel 2.5.5
Linux kernel 2.5.4
Linux kernel 2.5.3
Linux kernel 2.5.2
Linux kernel 2.5.1
Linux kernel 2.5 .0
Linux kernel 2.4.34
Linux kernel 2.4.33 2
Linux kernel 2.4.33 .7
Linux kernel 2.4.33 .6
Linux kernel 2.4.33 .6
Linux kernel 2.4.33 .3
Linux kernel 2.4.33 .3
Linux kernel 2.4.33 .1
Linux kernel 2.4.33
Linux kernel 2.4.32
Linux kernel 2.4.31
Linux kernel 2.4.30
Linux kernel 2.4.29
Linux kernel 2.4.28
Linux kernel 2.4.27
Linux kernel 2.4.26
Linux kernel 2.4.25
Linux kernel 2.4.24
Linux kernel 2.4.23
Linux kernel 2.4.22
Linux kernel 2.4.21
+ Conectiva Linux 9.0
+ Mandriva Linux Mandrake 9.1 ppc
+ Mandriva Linux Mandrake 9.1
+ Red Hat Enterprise Linux AS 3
+ RedHat Desktop 3.0
+ RedHat Enterprise Linux ES 3
+ RedHat Enterprise Linux WS 3
+ S.u.S.E. Linux Personal 9.0 x86_64
+ S.u.S.E. Linux Personal 9.0
+ SuSE SUSE Linux Enterprise Server 8
Linux kernel 2.4.20
Linux kernel 2.4.19
Linux kernel 2.4.18
Linux kernel 2.4.17
Linux kernel 2.4.16
Linux kernel 2.4.15
Linux kernel 2.4.14
Linux kernel 2.4.13
Linux kernel 2.4.12
+ Conectiva Linux 7.0
Linux kernel 2.4.11
Linux kernel 2.4.10
+ S.u.S.E. Linux 7.3
Linux kernel 2.4.9
Linux kernel 2.4.8
Linux kernel 2.4.7
Linux kernel 2.4.6
Linux kernel 2.4.5
+ Slackware Linux 8.0
Linux kernel 2.4.4
Linux kernel 2.4.3
Linux kernel 2.4.2
Linux kernel 2.4.1
Linux kernel 2.4
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 2.6.20.3
Linux kernel 2.6.20.2
Linux kernel 2.6.20.13
Linux kernel 2.6.20.11
Linux kernel 2.6.20-2
Linux kernel 2.6.18
Linux kernel 2.6.15.5
Linux kernel 2.6.15.11
Linux kernel 2.6.11.4
Linux kernel 2.4.34.6
Linux kernel 2.4.34.5
Linux kernel 2.4.34.3
Linux kernel 2.4.33.5
Linux kernel 2.4.33.4
Debian Linux 3.1 sparc
Debian Linux 3.1 s/390
Debian Linux 3.1 ppc
Debian Linux 3.1 mipsel
Debian Linux 3.1 mips
Debian Linux 3.1 m68k
Debian Linux 3.1 ia-64
Debian Linux 3.1 ia-32
Debian Linux 3.1 hppa
Debian Linux 3.1 arm
Debian Linux 3.1 amd64
Debian Linux 3.1 alpha
Debian Linux 3.1
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 Messaging Storage Server MM3.0
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 SIP Enablement Services 3.1.1
Avaya Aura Application Enablement Services 4.0.1
Avaya Aura Application Enablement Services 3.1.3
Not Vulnerable: Linux kernel 2.6.22 .4

Discussion

Linux Kernel Parent Process Death Signal Local Security Bypass Weakness

The Linux kernel is prone to a security-bypass weakness when dealing with signal handling.

This issue occurs because the software fails to properly validate access when the parent process tries to deliver its death signal to the child that registered it via 'prctl'.

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

Linux kernel versions prior to 2.6.22.4 are vulnerable.

Exploit / POC

Linux Kernel Parent Process Death Signal 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 Parent Process Death Signal Local Security Bypass Weakness

Solution:
The vendor released kernel version 2.6.22.4 to address this issue. Please see the references for more information.


Linux kernel 2.6.20.2

Linux kernel 2.6.11.4

Debian Linux 4.0 mips

Linux kernel 2.6.20-2

Debian Linux 4.0 arm

Linux kernel 2.6.20.3

Linux kernel 2.6.8.1

Linux kernel 2.6.1

Linux kernel 2.6.11 .11

Linux kernel 2.6.11 .7

Linux kernel 2.6.12 .1

Linux kernel 2.6.12 .22

Linux kernel 2.6.12 .2

Linux kernel 2.6.13

Linux kernel 2.6.14 .1

Linux kernel 2.6.15

Linux kernel 2.6.16 .9

Linux kernel 2.6.16 .1

Linux kernel 2.6.16 13

Linux kernel 2.6.17 .13

Linux kernel 2.6.17 .10

Linux kernel 2.6.17 .14

Linux kernel 2.6.19

Linux kernel 2.6.20

Linux kernel 2.6.21 .3

Linux kernel 2.6.7

References

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