CVE-2000-0550
First published: Fri Jun 09 2000(Updated: )
Kerberos 4 KDC program improperly frees memory twice (aka "double-free"), which allows remote attackers to cause a denial of service.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cygnus Network Security | =4.0 | |
| Kerbnet | =5.0 | |
| Kerberos | =4.0 | |
| Kerberos | =1.0 | |
| Kerberos | =1.1 | |
| Kerberos | =1.1.1 |
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Reference Links
- http://www.cert.org/advisories/CA-2000-11.html
- http://web.mit.edu/kerberos/www/advisories/krb4kdc.txt
- http://archives.neohapsis.com/archives/bugtraq/2000-06/0064.html
- http://www.redhat.com/support/errata/RHSA-2000-031.html
- http://ciac.llnl.gov/ciac/bulletins/k-051.shtml
- http://www.securityfocus.com/bid/1465
Frequently Asked Questions
What is the severity of CVE-2000-0550?
CVE-2000-0550 is classified as a denial of service vulnerability.
How do I fix CVE-2000-0550?
To fix CVE-2000-0550, you should upgrade to the latest version of the affected Kerberos software.
What software is affected by CVE-2000-0550?
CVE-2000-0550 affects Kerbnet 5.0, Cygnus Network Security 4.0, and various versions of MIT Kerberos 4.0 and 5.x.
What type of attack does CVE-2000-0550 enable?
CVE-2000-0550 allows attackers to cause a denial of service through a double-free memory vulnerability.
Can CVE-2000-0550 be exploited remotely?
Yes, CVE-2000-0550 can be exploited remotely by attackers to affect the availability of the service.
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