MIT Kerberos 5 SEND-PR.SH Insecure Temporary File Creation Vulnerability

BID:11289

Info

MIT Kerberos 5 SEND-PR.SH Insecure Temporary File Creation Vulnerability

Bugtraq ID: 11289
Class: Design Error
CVE: CVE-2004-0971
Remote: No
Local: Yes
Published: Sep 30 2004 12:00AM
Updated: Jul 12 2009 07:06AM
Credit: The individual or individuals responsible for the discovery of this issue is currently unknown; Trustix security engineers are credited with these discoveries.
Vulnerable: SGI ProPack 3.0
Redhat Linux 9.0 i386
Redhat Linux 7.3 i686
Redhat Linux 7.3 i386
Redhat Linux 7.3
Redhat Fedora Core1
MIT Kerberos 5 1.3.4
+ Mandriva Linux Mandrake 10.1 x86_64
 + Mandriva Linux Mandrake 10.1
+ Turbolinux Turbolinux Server 10.0
Not Vulnerable:

Discussion

MIT Kerberos 5 SEND-PR.SH Insecure Temporary File Creation Vulnerability

MIT Kerberos 5 is affected by an insecure temporary file creation vulnerability. This issue is likely due to a design error that causes the application to fail to verify the existence of a file before writing to it.

An attacker may leverage this issue to overwrite arbitrary files with the privileges of an unsuspecting user that activates the vulnerable application. Reportedly this issue is unlikely to facilitate privilege escalation.

Exploit / POC

MIT Kerberos 5 SEND-PR.SH Insecure Temporary File Creation Vulnerability

No exploit is required to leverage this issue.

Solution / Fix

MIT Kerberos 5 SEND-PR.SH Insecure Temporary File Creation Vulnerability

Solution:
SGI has released advisory 20050104-01-U (SGI Advanced Linux Environment 3 Security Update #24) to address various issues in SGI Advanced Linux Environment 3. This advisory includes updated SGI ProPack 3 Service Pack 3 packages and patch 10139. Please see the referenced advisory for more information.

Trustix Linux has released an advisory (TSL-2004-0050) along with fixes dealing with this issue. Please see the referenced advisory for more information.

Gentoo has released an advisory (GLSA 200410-24) to address this issue. Please see the referenced advisory for more information. Gentoo users may carry out the following actions to update their computers:

emerge sync
emerge -pv ">=app-crypt/mit-krb5-1.3.4-r1"
emerge ">=app-crypt/mit-krb5-1.3.4-r1"

Fedora advisories FEDORA-2004-563 and FEDORA-2004-564 are available to address these issues in Fedora Core 2 and Fedora Core 3. Please see the referenced advisories for more information.

Fedora Legacy has released security advisory FLSA:154276 addressing this issue for RedHat Linux 7.3 and 9, and for Fedora Core 1. Please see the referenced advisory for details on obtaining and applying the appropriate updates.


MIT Kerberos 5 1.3.4

SGI ProPack 3.0

References

MIT Kerberos 5 SEND-PR.SH Insecure Temporary File Creation Vulnerability

References:

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