MIT Kerberos Key Distribution Center Remote Format String Vulnerabilities

BID:6712

Info

MIT Kerberos Key Distribution Center Remote Format String Vulnerabilities

Bugtraq ID: 6712
Class: Design Error
CVE: CVE-2003-0060
Remote: Yes
Local: No
Published: Jan 28 2003 12:00AM
Updated: Jul 11 2009 08:06PM
Credit: The discovery of this vulnerability has been credited to E. Larry Lidz <[email protected]>.
Vulnerable: MIT Kerberos 5 1.2.4
+ 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
+ Redhat Linux 7.3 i386
 + Redhat Linux 7.3
MIT Kerberos 5 1.2.3
MIT Kerberos 5 1.2.2
+ MandrakeSoft Multi Network Firewall 2.0
+ Mandriva Linux Mandrake 8.2 ppc
 + Mandriva Linux Mandrake 8.2
+ Mandriva Linux Mandrake 8.1 ia64
 + Mandriva Linux Mandrake 8.1
+ Redhat Linux 7.2 ia64
 + Redhat Linux 7.2 i386
 + Redhat Linux 7.2
+ Redhat Linux 7.1 ia64
 + Redhat Linux 7.1 i386
 + Redhat Linux 7.1 alpha
 + Redhat Linux 7.1
+ Redhat Linux 7.0 i386
 + Redhat Linux 7.0 alpha
 + Redhat Linux 7.0
MIT Kerberos 5 1.2.1
MIT Kerberos 5 1.2
MIT Kerberos 5 1.1.1
- Redhat Linux 7.1 ia64
 - Redhat Linux 7.1 i386
 - Redhat Linux 7.1 alpha
 - Redhat Linux 7.1
- Redhat Linux 7.0 i386
 - Redhat Linux 7.0 alpha
 - Redhat Linux 7.0
+ Redhat Linux 6.2 sparc
 + Redhat Linux 6.2 i386
 + Redhat Linux 6.2 alpha
 + Redhat Linux 6.2
Not Vulnerable: MIT Kerberos 5 1.2.7
+ Mandriva Linux Mandrake 9.1 ppc
 + Mandriva Linux Mandrake 9.1
+ Redhat Linux 9.0 i386
 MIT Kerberos 5 1.2.6
MIT Kerberos 5 1.2.5
+ MandrakeSoft Corporate Server 2.1 x86_64
 + MandrakeSoft Corporate Server 2.1
+ Mandriva Linux Mandrake 9.0
+ Redhat Linux 8.0 i386
 + Redhat Linux 8.0
+ Turbolinux Home
+ Turbolinux Turbolinux 10 F...
 + Turbolinux Turbolinux Desktop 10.0
+ Turbolinux Turbolinux Server 8.0
+ Wirex Immunix OS 7+

Discussion

MIT Kerberos Key Distribution Center Remote Format String Vulnerabilities

A number of vulnerabilities have been reported in MIT Kerberos Key Distribution Center (KDC). It has been reported that various printf functions fail to supply sufficient format specifiers when handling user-supplied data.

By supplying a malicious string to KDC, containing format specifiers designed to overwrite sensitve memory, it may be possible under some circumstances for an unauthenticated attacker to execute arbitrary commands.

As this issue affects older releases of Kerberos, a BID may already exist. If this is issue proves to be covered in a previous database entry, this BID will be retired and the correct BID will be updated accordingly.

Exploit / POC

MIT Kerberos Key Distribution Center Remote Format String Vulnerabilities

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] &lt;mailto:[email protected]&gt;.

Solution / Fix

MIT Kerberos Key Distribution Center Remote Format String Vulnerabilities

Solution:
This issue has been addressed in MIT Kerberos 1.2.5 and later. Users are advised to upgrade to as soon as possible.

Red Hat has released an advisory (RHSA-2003:051-01) to address this issue.
Please see the attached adivosry reference for details on obtaining and
applying fixes.

Conectiva has released a security advisory (CLA-2003:639) containing fixes which address this issue. Users are advised to upgrade as soon as possible.


MIT Kerberos 5 1.1.1

MIT Kerberos 5 1.2

MIT Kerberos 5 1.2.1

MIT Kerberos 5 1.2.2

MIT Kerberos 5 1.2.3

MIT Kerberos 5 1.2.4

References

MIT Kerberos Key Distribution Center Remote Format String Vulnerabilities

References:

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