CVE-2008-0003: Buffer Overflow

Published Dec 22, 2007
·
Updated

Stack-based buffer overflow in the PAMBasicAuthenticator::PAMCallback function in OpenPegasus CIM management server (tog-pegasus), when compiled to use PAM and without PEGASUSUSEPAMSTANDALONEPROC defined, might allow remote attackers to execute arbitrary code via unknown vectors, a different vulnerability than CVE-2007-5360.

Other sources

Whilst investigating a VMWare reported buffer overflow vulnerability (bug #426568) in the PAM authentication code in the OpenPegasus CIM management server that didn't affect Red Hat packages, I found another one that did.

This vulnerability can be exploited remotely and results in arbitrary code execution with the privileges of the cimserver process. Note that we do ship with a default SELinux policy for this package.

Current embargo is unset. Likely to be 2nd week of Jan 2008.

Red Hat

Affected Software

12 affected componentsFixes available
redhat/tog-pegasus<2:2.5.1-5.el4_6.1
2:2.5.1-5.el4_6.1
redhat/tog-pegasus<2:2.5.1-2.el4_5.1
2:2.5.1-2.el4_5.1
redhat/tog-pegasus<2:2.6.1-2.el5_1.1
2:2.6.1-2.el5_1.1
redhat/2.6.0<3.
3.
redhat Enterprise Linux=4.0
redhat Enterprise Linux=4.0
redhat Enterprise Linux=4.0
redhat Enterprise Linux=4.5.z
redhat Enterprise Linux=4.5.z
redhat Enterprise Linux Desktop=4.0
redhat Enterprise Linux Desktop=5.0
OpenPegasus Management server=2.6.1

Remediation

Information

The tog-pegasus package is not installed by default on Red Hat Enterprise Linux. tog-pegasus supplied by Red Hat binds only to one port (as plain http is disabled), port 5989. The default firewall installed by Red Hat Enterprise Linux will block remote access to this port. In normal use it's unlikely you'd want to have this port accessible outside of an intranet anyway, and it's likely to be blocked by enterprise border firewalls. However if tog-pegasus has been installed and unblocked through the fireware, the Red Hat Security Response Team believes that it would still be hard to remotely exploit this issue to execute arbitrary code due to the default SELinux targeted policy on Enterprise Linux 4 and 5, and the SELinux memory protections enabled by default on Enterprise Linux 5.

Event History

Jan 7, 2008
CVE Published
via Red Hat·12:00 AM
Jan 8, 2008
CVE Published
via MITRE·08:00 PM
Data Sourced
via MITRE·08:00 PM
Description
Data Sourced
08:46 PM
DescriptionWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2008-0003?

CVE-2008-0003 has been assigned a high severity rating due to the potential for remote code execution.

2

How do I fix CVE-2008-0003?

To mitigate CVE-2008-0003, upgrade to the patched versions of the tog-pegasus package as recommended by your vendor.

3

Which software is affected by CVE-2008-0003?

CVE-2008-0003 affects the tog-pegasus package on certain versions of Red Hat Enterprise Linux.

4

Can CVE-2008-0003 allow unauthorized access?

Yes, CVE-2008-0003 may allow remote attackers to gain unauthorized access through a buffer overflow vulnerability.

5

Is CVE-2008-0003 specific to any operating system version?

CVE-2008-0003 impacts specific versions of Red Hat Enterprise Linux and OpenPegasus Management server when they are configured improperly.

Contact

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