Linux Kernel Sys32_NI_Syscall/Sys32_VM86_Warning Local Buffer Overflow Vulnerability

BID:11938

Info

Linux Kernel Sys32_NI_Syscall/Sys32_VM86_Warning Local Buffer Overflow Vulnerability

Bugtraq ID: 11938
Class: Boundary Condition Error
CVE: CVE-2004-1151
Remote: No
Local: Yes
Published: Dec 14 2004 12:00AM
Updated: Jul 12 2009 09:26AM
Credit: Discovery of this vulnerability is credited to Ross Kendall Axe.
Vulnerable: Ubuntu Ubuntu Linux 4.1 ppc
Ubuntu Ubuntu Linux 4.1 ia64
Ubuntu Ubuntu Linux 4.1 ia32
Redhat Fedora Core3
Redhat Fedora Core2
Mandriva Linux Mandrake 10.1 x86_64
Mandriva Linux Mandrake 10.1
Mandriva Linux Mandrake 10.0 AMD64
Mandriva Linux Mandrake 10.0
Mandriva Linux Mandrake 9.2 amd64
Mandriva Linux Mandrake 9.2
MandrakeSoft Multi Network Firewall 2.0
MandrakeSoft Corporate Server 3.0
MandrakeSoft Corporate Server 2.1 x86_64
MandrakeSoft Corporate Server 2.1
Linux kernel 2.6.10 rc2
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 -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
Not Vulnerable:

Discussion

Linux Kernel Sys32_NI_Syscall/Sys32_VM86_Warning Local Buffer Overflow Vulnerability

The Linux kernel for 64-Bit architectures is reported prone to a local buffer overflow vulnerability.

This vulnerability exists in 'sys32_ni_syscall()' and 'sys32_vm86_warning()' as a result of an unbounded copy of a 16 byte string into an 8 byte buffer using the strcpy() function.

Immediate consequences of exploitation of this vulnerability could be a kernel panic; this could be used to deny service to legitimate users. It is not currently known whether this vulnerability may be leveraged to provide for execution of arbitrary code.

Exploit / POC

Linux Kernel Sys32_NI_Syscall/Sys32_VM86_Warning Local Buffer Overflow Vulnerability

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

Solution / Fix

Linux Kernel Sys32_NI_Syscall/Sys32_VM86_Warning Local Buffer Overflow Vulnerability

Solution:
Ubuntu Linux has released advisory USN-38-1 along with fixes to address this, and other issues. Please see the referenced advisory for further information.

SuSE Linux has released an advisory (SUSE-SA:2004:044) along with fixes dealing with this and other issues. Please see the referenced advisory more information.

SuSE Linux has reported that the fixes they released for SuSE Linux 9.2 caused computers that had applied them to fail to boot. This issue is apparently due caused by a script that is no longer creating the vmlinuz and initrd symlinks, which are required for successful booting. The offending fixes have been removed. The BID will be updated as more fixes are released.

SuSE Linux has reported additional problems with fixes they released for SuSE Linux 9.2. Please see the referenced SuSE advisory SUSE-SA:2004:044 for more information.

Red Hat has released advisories FEDORA-2004-581, and FEDORA-2004-582 to address this issue in Fedora Core 2, and 3 respectively. Please see the referenced advisories for further information.

MandrakeSoft has issued fixes in advisory MDKSA-2005:022. See reference section.

TurboLinux has released Turbolinux Security Announcement 28/Feb/2005 dealing with this and other issues. Please see the referenced advisory for more information.


Linux kernel 2.6

Linux kernel 2.6.3

Linux kernel 2.6.4

Linux kernel 2.6.5

Linux kernel 2.6.8 rc1

Linux kernel 2.6.8

Linux kernel 2.6.9

References

Linux Kernel Sys32_NI_Syscall/Sys32_VM86_Warning Local Buffer Overflow Vulnerability

References:

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