CVE-2002-0754: High severity FreeBSD Heimdal vulnerability

Published Aug 12, 2002
·
Updated

Kerberos 5 su (k5su) in FreeBSD 4.4 and earlier relies on the getlogin system call to determine if the user running k5su is root, which could allow a root-initiated process to regain its privileges after it has dropped them.

Affected Software

13 affected components
FreeBSD Heimdal=0.4e
KTH Heimdal=0.4e
FreeBSD FreeBSD=4.1.1-stable
FreeBSD FreeBSD=4.1.1-release
FreeBSD FreeBSD=4.3-stable
FreeBSD FreeBSD=4.3-release
FreeBSD FreeBSD=4.2-stable
FreeBSD FreeBSD=4.1
FreeBSD FreeBSD=4.4
FreeBSD FreeBSD=4.2
FreeBSD FreeBSD=4.0
FreeBSD FreeBSD=4.1.1
FreeBSD FreeBSD=4.3

Event History

Aug 12, 2002
CVE Published
04:00 AM
Apr 2, 2003
CVE Published
via MITRE·10:00 AM
Data Sourced
via MITRE·10:00 AM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2002-0754?

CVE-2002-0754 is considered a high-severity vulnerability because it can allow unauthorized users to regain root privileges.

2

How do I fix CVE-2002-0754?

To fix CVE-2002-0754, it is recommended to upgrade to a patched version of FreeBSD or Heimdal that addresses this vulnerability.

3

What versions are affected by CVE-2002-0754?

CVE-2002-0754 affects FreeBSD versions 4.0 to 4.4 and Heimdal version 0.4e.

4

What type of vulnerability is CVE-2002-0754?

CVE-2002-0754 is a privilege escalation vulnerability that exploits the getlogin() system call in FreeBSD.

5

Can CVE-2002-0754 be exploited remotely?

CVE-2002-0754 typically requires local access to the system to exploit, making it less likely to be remotely exploited.

Contact

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