KDE KDM Session Type Symbolic Link Vulnerability

BID:18431

CVE-2006-2449 |

Info

KDE KDM Session Type Symbolic Link Vulnerability

Bugtraq ID: 18431
Class: Race Condition Error
CVE: CVE-2006-2449
Remote: No
Local: Yes
Published: Jun 14 2006 12:00AM
Updated: Nov 23 2006 10:05PM
Credit: Ludwig Nussel is credited with the discovery of this vulnerability.
Vulnerable: Ubuntu Ubuntu Linux 5.10 powerpc
Ubuntu Ubuntu Linux 5.10 i386
Ubuntu Ubuntu Linux 5.10 amd64
Ubuntu Ubuntu Linux 5.0 4 powerpc
Ubuntu Ubuntu Linux 5.0 4 i386
Ubuntu Ubuntu Linux 5.0 4 amd64
Ubuntu Ubuntu Linux 6.06 LTS powerpc
Ubuntu Ubuntu Linux 6.06 LTS i386
Ubuntu Ubuntu Linux 6.06 LTS amd64
SuSE Linux Enterprise Server 9
Slackware Linux 10.2
Slackware Linux 10.1
Slackware Linux 10.0
Slackware Linux -current
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 9.3
S.u.S.E. Linux Professional 9.2
S.u.S.E. Linux Professional 9.1
S.u.S.E. Linux Professional 10.1
S.u.S.E. Linux Personal 10.0 OSS
S.u.S.E. Linux Personal 9.3
S.u.S.E. Linux Personal 9.2
S.u.S.E. Linux Personal 9.1
S.u.S.E. Linux Personal 10.1
rPath rPath Linux 1
Redhat Enterprise Linux WS 4
Redhat Enterprise Linux ES 4
Redhat Enterprise Linux AS 4
Redhat Desktop 4.0
Mandriva Linux Mandrake 2006.0 x86_64
Mandriva Linux Mandrake 2006.0
MandrakeSoft Corporate Server 3.0 x86_64
MandrakeSoft Corporate Server 3.0
KDE KDE 3.5.3
KDE KDE 3.5.2
KDE KDE 3.5.1
KDE KDE 3.5
KDE KDE 3.4.3
KDE KDE 3.4.2
KDE KDE 3.4.1
+ Redhat Fedora Core4
KDE KDE 3.4
KDE KDE 3.4
KDE KDE 3.3.2
+ Debian Linux 3.1 sparc
+ Debian Linux 3.1 s/390
+ Debian Linux 3.1 s/390
+ Debian Linux 3.1 s/390
+ Debian Linux 3.1 ppc
+ Debian Linux 3.1 ppc
+ Debian Linux 3.1 ppc
+ Debian Linux 3.1 mipsel
+ Debian Linux 3.1 mipsel
+ Debian Linux 3.1 mipsel
+ Debian Linux 3.1 mips
+ Debian Linux 3.1 mips
+ Debian Linux 3.1 mips
+ Debian Linux 3.1 m68k
+ Debian Linux 3.1 m68k
+ Debian Linux 3.1 m68k
+ Debian Linux 3.1 ia-64
+ Debian Linux 3.1 ia-64
+ Debian Linux 3.1 ia-64
+ Debian Linux 3.1 ia-32
+ Debian Linux 3.1 ia-32
+ Debian Linux 3.1 ia-32
+ Debian Linux 3.1 hppa
+ Debian Linux 3.1 hppa
+ Debian Linux 3.1 hppa
+ Debian Linux 3.1 arm
+ Debian Linux 3.1 arm
+ Debian Linux 3.1 arm
+ Debian Linux 3.1 amd64
+ Debian Linux 3.1 amd64
+ Debian Linux 3.1 amd64
+ Debian Linux 3.1 alpha
+ Debian Linux 3.1 alpha
+ Debian Linux 3.1 alpha
+ Debian Linux 3.1
+ Debian Linux 3.1
+ Debian Linux 3.1
KDE KDE 3.3.2
KDE KDE 3.3.1
+ Redhat Fedora Core3
KDE KDE 3.3
KDE KDE 3.2.3
KDE KDE 3.2.2
+ KDE KDE 3.2.2
+ Redhat Fedora Core2
KDE KDE 3.2.1
KDE KDE 3.2
KDE aRts 1.3.2
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

KDE KDM Session Type Symbolic Link Vulnerability

KDM is prone to a vulnerability that may permit symbolic-link attacks when processing the user's session type.

An attacker with local access could potentially exploit this issue to view files and obtain privileged information.

A successful attack would most likely result in the loss of confidentiality and the theft of privileged information.

Exploit / POC

KDE KDM Session Type Symbolic Link Vulnerability

Attackers can use standard shell commands to exploit this issue.

Solution / Fix

KDE KDM Session Type Symbolic Link Vulnerability

Solution:
The vendor has released an advisory and patches to address this issue.

Please see the referenced advisories for more information.


KDE aRts 1.3.2

KDE KDE 3.2

KDE KDE 3.2.1

KDE KDE 3.2.2

KDE KDE 3.2.3

KDE KDE 3.3

KDE KDE 3.3.1

KDE KDE 3.3.2

KDE KDE 3.3.2

KDE KDE 3.4

KDE KDE 3.4

KDE KDE 3.4.1

KDE KDE 3.4.2

KDE KDE 3.4.3

KDE KDE 3.5

KDE KDE 3.5.1

KDE KDE 3.5.2

KDE KDE 3.5.3

References

KDE KDM Session Type Symbolic Link Vulnerability

References:

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