Linux Kernel 'ipv6_skip_exthdr()' Remote Denial of Service Vulnerability

BID:38367

Info

Linux Kernel 'ipv6_skip_exthdr()' Remote Denial of Service Vulnerability

Bugtraq ID: 38367
Class: Design Error
CVE: CVE-2005-4886
Remote: Yes
Local: No
Published: Apr 25 2005 12:00AM
Updated: Apr 25 2005 12:00AM
Credit: Herbert Xu
Vulnerable: Redhat Enterprise Linux WS 4
Redhat Enterprise Linux ES 4.9.z
Redhat Enterprise Linux ES 4.8.z
Redhat Enterprise Linux ES 4.7.z
Redhat Enterprise Linux ES 4.6.z
Redhat Enterprise Linux ES 4.5.z
Redhat Enterprise Linux ES 4
Redhat Enterprise Linux AS 4.8.z
Redhat Enterprise Linux AS 4.7.z
Redhat Enterprise Linux AS 4.6.z
Redhat Enterprise Linux AS 4.5.z
Redhat Enterprise Linux AS 4
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
+ Redhat Fedora Core4
 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
+ Redhat Fedora Core3
 + Redhat Fedora Core2
 + Trustix Secure Linux 3.0
+ Ubuntu Ubuntu Linux 5.0 4 powerpc
 + Ubuntu Ubuntu Linux 5.0 4 i386
 + Ubuntu Ubuntu Linux 5.0 4 amd64
 Linux kernel 2.6.10
+ Trustix Secure Enterprise Linux 2.0
+ Trustix Secure Linux 2.2
+ Trustix Secure Linux 2.1
+ Trustix Secure Linux 2.0
Linux kernel 2.6.9
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
+ 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 2.6.7 rc1
Linux kernel 2.6.7
Linux kernel 2.6.6 rc1
Linux kernel 2.6.6
Linux kernel 2.6.5
+ S.u.S.E. Linux Personal 9.1 x86_64
 + S.u.S.E. Linux Personal 9.1 x86_64
 + S.u.S.E. Linux Personal 9.1
+ S.u.S.E. Linux Personal 9.1
+ SuSE Linux Enterprise Server 9
 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 2.6.11.4
Not Vulnerable: Linux kernel 2.6.12
+ Trustix Secure Enterprise Linux 2.0
+ Trustix Secure Linux 2.2
+ Trustix Secure Linux 2.1
+ Trustix Secure Linux 2.0

Discussion

Linux Kernel 'ipv6_skip_exthdr()' Remote Denial of Service Vulnerability

The Linux kernel is prone to a remote denial-of-service vulnerability.

Attackers can exploit this issue to cause a kernel crash, denying service to legitimate users.

Versions prior to the Linux kernel 2.6.12 are vulnerable.

Exploit / POC

Linux Kernel 'ipv6_skip_exthdr()' Remote Denial of Service Vulnerability

Currently we are not aware of any working exploits. 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 'ipv6_skip_exthdr()' Remote Denial of Service Vulnerability

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


Linux kernel 2.6.11.4

Linux kernel 2.6.8.1

Linux kernel 2.6 -test6

Linux kernel 2.6 -test1

Linux kernel 2.6 -test4

Linux kernel 2.6 -test7

Linux kernel 2.6 -test9

Linux kernel 2.6 -test2

Linux kernel 2.6 -test8

Linux kernel 2.6 -test11

Linux kernel 2.6 -test10

Linux kernel 2.6 -test9-CVS

Linux kernel 2.6

Linux kernel 2.6 -test3

Linux kernel 2.6 .10

Linux kernel 2.6 -test5

Linux kernel 2.6.1 -rc1

Linux kernel 2.6.1 -rc2

Linux kernel 2.6.1

Linux kernel 2.6.10

Linux kernel 2.6.10 rc2

Linux kernel 2.6.10

Linux kernel 2.6.11 -rc3

Linux kernel 2.6.11

Linux kernel 2.6.11 -rc4

Linux kernel 2.6.11 .6

Linux kernel 2.6.11 .11

Linux kernel 2.6.11

Linux kernel 2.6.11 .4

Linux kernel 2.6.11 .12

Linux kernel 2.6.11 .7

Linux kernel 2.6.11 -rc2

Linux kernel 2.6.11 .5

Linux kernel 2.6.11 .8

Linux kernel 2.6.2

Linux kernel 2.6.3

Linux kernel 2.6.4

Linux kernel 2.6.5

Linux kernel 2.6.6 rc1

Linux kernel 2.6.6

Linux kernel 2.6.7

Linux kernel 2.6.7 rc1

Linux kernel 2.6.8 rc1

Linux kernel 2.6.8

Linux kernel 2.6.8 rc3

Linux kernel 2.6.8 rc2

Linux kernel 2.6.9

References

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