Linux-HA Heartbeat Insecure Temporary File Creation Vulnerability

BID:14233

Info

Linux-HA Heartbeat Insecure Temporary File Creation Vulnerability

Bugtraq ID: 14233
Class: Design Error
CVE: CVE-2005-2231
Remote: No
Local: Yes
Published: Jul 12 2005 12:00AM
Updated: Jul 12 2009 04:06PM
Credit: Discovery is credited to Eric Romang.
Vulnerable: Ubuntu Ubuntu Linux 5.0 4 powerpc
Ubuntu Ubuntu Linux 5.0 4 i386
Ubuntu Ubuntu Linux 5.0 4 amd64
Ubuntu Ubuntu Linux 4.1 ppc
Ubuntu Ubuntu Linux 4.1 ia64
Ubuntu Ubuntu Linux 4.1 ia32
MandrakeSoft Corporate Server 3.0 x86_64
MandrakeSoft Corporate Server 3.0
Linux-HA heartbeat 1.2.3
- 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 alpha
 - Debian Linux 3.1
Linux-HA heartbeat 1.2.2
Linux-HA heartbeat 0.9.4 d
Linux-HA heartbeat 0.9.4
Linux-HA heartbeat 0.4.9 c
Linux-HA heartbeat 0.4.9 b
Linux-HA heartbeat 0.4.9 a
Linux-HA heartbeat 0.4.9 .1
Linux-HA heartbeat 0.4.9
- Debian Linux 3.0 sparc
 - Debian Linux 3.0 s/390
 - Debian Linux 3.0 ppc
 - Debian Linux 3.0 mipsel
 - Debian Linux 3.0 mips
 - Debian Linux 3.0 m68k
 - Debian Linux 3.0 ia-64
 - Debian Linux 3.0 ia-32
 - Debian Linux 3.0 hppa
 - Debian Linux 3.0 arm
 - Debian Linux 3.0 alpha
 - Debian Linux 3.0
Gentoo Linux
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
Not Vulnerable:

Discussion

Linux-HA Heartbeat Insecure Temporary File Creation Vulnerability

heartbeat creates temporary files in an insecure manner.

A local attacker would most likely take advantage of this vulnerability by creating a malicious symbolic link in a directory where the temporary files will be created. When the program attempts to perform an operation on a temporary file, it will instead perform the operation on the file pointed to by the malicious symbolic link.

Exploitation would most likely result in loss of data or a denial of service if critical files are overwritten in the attack. Other attacks may be possible as well.

Exploit / POC

Linux-HA Heartbeat Insecure Temporary File Creation Vulnerability

There is no exploit required.

Solution / Fix

Linux-HA Heartbeat Insecure Temporary File Creation Vulnerability

Solution:
Debian has released advisory DSA 761-1 to address this vulnerability. Please see the attached advisory for further information on obtaining and applying fixes.

Conectiva Linux has released security advisory CLSA-2005:991 addressing this issue. Please see the referenced advisory for details on obtaining and applying the appropriate updates.

Gentoo has released advisory GLSA 200508-05 to address this issue. Please see the attached advisory for further information. Gentoo users may carry out the following commands to update their computers:

emerge --sync
emerge --ask --oneshot --verbose ">=sys-cluster/heartbeat-1.2.3-r1"

Mandriva has released security advisory MDKSA-2005:132 addressing this issue. Please see the referenced advisory for further information.

Ubuntu has released security advisory USN-165-1 addressing this issue. Please see the referenced advisory for details on obtaining and applying the appropriate updates.

Debian has released security advisory DSA 773-1 addressing several issues for their AMD64 port of the operating system. Please see the referenced
advisory for further information.

Debian has released an updated security advisory (DSA 761-2) addressing this issue. Please see the referenced advisory for further information.

---
Currently we are not aware of any vendor-supplied patches 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]>.


Linux-HA heartbeat 0.4.9

Linux-HA heartbeat 1.2.2

Linux-HA heartbeat 1.2.3

References

Linux-HA Heartbeat Insecure Temporary File Creation Vulnerability

References:

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