Linux Kernel 'find_keyring_by_name()' Local Memory Corruption Vulnerability

BID:39719

Info

Linux Kernel 'find_keyring_by_name()' Local Memory Corruption Vulnerability

Bugtraq ID: 39719
Class: Failure to Handle Exceptional Conditions
CVE: CVE-2010-1437
Remote: No
Local: Yes
Published: Apr 27 2010 12:00AM
Updated: May 07 2015 05:03PM
Credit: Toshiyuki Okajima
Vulnerable: VMWare ESX Server 4.1
VMWare ESX Server 4.0
Ubuntu Ubuntu Linux 9.10 sparc
Ubuntu Ubuntu Linux 9.10 powerpc
Ubuntu Ubuntu Linux 9.10 lpia
Ubuntu Ubuntu Linux 9.10 i386
Ubuntu Ubuntu Linux 9.10 amd64
Ubuntu Ubuntu Linux 9.04 sparc
Ubuntu Ubuntu Linux 9.04 powerpc
Ubuntu Ubuntu Linux 9.04 lpia
Ubuntu Ubuntu Linux 9.04 i386
Ubuntu Ubuntu Linux 9.04 amd64
Ubuntu Ubuntu Linux 8.04 LTS sparc
Ubuntu Ubuntu Linux 8.04 LTS powerpc
Ubuntu Ubuntu Linux 8.04 LTS lpia
Ubuntu Ubuntu Linux 8.04 LTS i386
Ubuntu Ubuntu Linux 8.04 LTS 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
Ubuntu Ubuntu Linux 10.04 sparc
Ubuntu Ubuntu Linux 10.04 powerpc
Ubuntu Ubuntu Linux 10.04 i386
Ubuntu Ubuntu Linux 10.04 amd64
SuSE SUSE Linux Enterprise Server 11
+ Linux kernel 2.6.5
SuSE SUSE Linux Enterprise High Availability Extension 11
SuSE SUSE Linux Enterprise Desktop 11
S.u.S.E. openSUSE 11.2
S.u.S.E. openSUSE 11.1
RedHat Enterprise MRG v1 for Red Hat Enterprise Linux version 5
RedHat Enterprise Linux WS 4
RedHat Enterprise Linux ES 4.8.z
RedHat Enterprise Linux ES 4
RedHat Desktop 4.0
Red Hat Enterprise Linux Desktop 5 client
Red Hat Enterprise Linux AS 4.8.z
Red Hat Enterprise Linux AS 4
Red Hat Enterprise Linux 5 Server
Pardus Linux 2009 0
Linux kernel 2.6.34-rc5
Debian Linux 5.0 sparc
Debian Linux 5.0 s/390
Debian Linux 5.0 powerpc
Debian Linux 5.0 mipsel
Debian Linux 5.0 mips
Debian Linux 5.0 m68k
Debian Linux 5.0 ia-64
Debian Linux 5.0 ia-32
Debian Linux 5.0 hppa
Debian Linux 5.0 armel
Debian Linux 5.0 arm
Debian Linux 5.0 amd64
Debian Linux 5.0 alpha
Debian Linux 5.0
Avaya Voice Portal 5.1.1
Avaya Voice Portal 5.1
Avaya Voice Portal 5.1
Avaya Voice Portal 5.0 SP2
Avaya Voice Portal 5.0 SP1
Avaya Voice Portal 5.0
Avaya Voice Portal 4.1 SP2
Avaya Voice Portal 4.1 SP1
Avaya Voice Portal 4.1
Avaya Voice Portal 4.0
Avaya Proactive Contact 4.1.2
Avaya Proactive Contact 4.1.1
Avaya Proactive Contact 4.1
Avaya Proactive Contact 4.0
Avaya Messaging Storage Server 5.2 SP1
Avaya Messaging Storage Server 5.2
Avaya Messaging Storage Server 5.1
Avaya Messaging Storage Server 5.0
Avaya Messaging Storage Server 4.0
Avaya Message Networking 5.2
Avaya Message Networking 3.1
Avaya Meeting Exchange 5.0 .0.52
Avaya Meeting Exchange 5.2 SP1
Avaya Meeting Exchange 5.2
Avaya Meeting Exchange 5.1 SP1
Avaya Meeting Exchange 5.1
Avaya Meeting Exchange 5.0 SP2
Avaya Meeting Exchange 5.0 SP1
Avaya Meeting Exchange 5.0
Avaya IQ 5.1
Avaya IQ 5
Avaya Intuity AUDIX LX 2.0 SP2
Avaya Intuity AUDIX LX 2.0 SP1
Avaya Intuity AUDIX LX 2.0
Avaya Aura System Platform 6.0
Avaya Aura System Platform 1.1
Avaya Aura System Manager 6.0 SP1
Avaya Aura System Manager 6.0
Avaya Aura System Manager 5.2
Avaya Aura SIP Enablement Services 5.2.1
Avaya Aura SIP Enablement Services 3.1.1
Avaya Aura SIP Enablement Services 3.1
Avaya Aura SIP Enablement Services 5.2
Avaya Aura SIP Enablement Services 5.1
Avaya Aura SIP Enablement Services 5.0
Avaya Aura SIP Enablement Services 4.0
Avaya Aura SIP Enablement Services 3.1
Avaya Aura SIP Enablement Services 3.0
Avaya Aura Session Manager 6.0
Avaya Aura Session Manager 5.2
Avaya Aura Session Manager 1.1
Avaya Aura Conferencing 6.0 Standard
Avaya Aura Communication Manager 6.0
Avaya Aura Communication Manager 5.2
Avaya Aura Communication Manager 5.1
+ Avaya Communication Manager Server DEFINITY Server SI/CS
+ Avaya Communication Manager Server S8100
+ Avaya Communication Manager Server S8300
+ Avaya Communication Manager Server S8500
+ Avaya Communication Manager Server S8700
Avaya Aura Communication Manager 4.0
Avaya Aura Communication Manager 4.0
Avaya Aura Application Enablement Services 5.2.1
Avaya Aura Application Enablement Services 4.2.3
Avaya Aura Application Enablement Services 4.2.2
Avaya Aura Application Enablement Services 4.2.1
Avaya Aura Application Enablement Services 4.0.1
Avaya Aura Application Enablement Services 5.2.2
Avaya Aura Application Enablement Services 5.2
Avaya Aura Application Enablement Services 4.2
Avaya Aura Application Enablement Services 4.1
Avaya Aura Application Enablement Services 4.0
Not Vulnerable: VMWare ESX Server 4.1 ESX410-201101201

Discussion

Linux Kernel 'find_keyring_by_name()' Local Memory Corruption Vulnerability

The Linux kernel is prone to a local memory-corruption vulnerability.

Attackers can exploit this issue to crash the affected computer, denying service to legitimate users. Given the nature of this issue, attackers may also be able to run arbitrary code, but this has not been confirmed.

kernel 2.6.34-rc5 is vulnerable.

Exploit / POC

Linux Kernel 'find_keyring_by_name()' Local Memory Corruption Vulnerability

Local attackers can exploit this issue with readily available tools.

The following proof-of-concept is available:

for ((i=0; i<100000; i++)); do keyctl session wibble /bin/true || break; done

Solution / Fix

Linux Kernel 'find_keyring_by_name()' Local Memory Corruption Vulnerability

Solution:
Updates are available. Please see the references for more information.


Debian Linux 5.0 ia-64

Debian Linux 5.0 alpha

Debian Linux 5.0 mipsel

Debian Linux 5.0 armel

Debian Linux 5.0

Debian Linux 5.0 mips

Debian Linux 5.0 sparc

S.u.S.E. openSUSE 11.1

Debian Linux 5.0 ia-32

References

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