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TI-2023-23345 Aliases CVE-2023-43617GHSA-hp56-xvf4-g6wr

An issue was discovered in Croc through 9.6.5.

Priority MEDIUM 63CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-200.

Summary

An issue was discovered in Croc through 9.6.5. When a custom shared secret is used, the sender and receiver may divulge parts of this secret to an untrusted Relay, as part of composing a room name.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00774 55th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed github.com/schollz/croc/v9 (Go): 9.6.16

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—github.com/schollz/croc/v9 (Go)before 9.6.169.6.16Patch availableGHSA-hp56-xvf4-g6wr
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • github.com/schollz/croc/v9 (Go) Vendor— Affected before 9.6.16 Fixed in 9.6.16 Patch available GHSA-hp56-xvf4-g6wr

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:schollz:croc:*:*:*:*:*:*:*:*up to 9.6.5Vulnerableschollz
  • cpe:2.3:a:schollz:croc:*:*:*:*:*:*:*:* Versions up to 9.6.5 Vulnerable ·schollz

Remediation

  • Fix · GHSA-hp56-xvf4-g6wr github.com/schollz/croc/v9 (Go) Fixed in 9.6.16 Advisory →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-43617
  2. 2026-10-03 Alias added: GHSA-hp56-xvf4-g6wr

References

Exploit 2

Advisory 1

Other 4

  • TI-2023-23348 An issue was discovered in Croc through 9.6.5. CVSS 3.1HIGH 7.8
  • TI-2023-23347 An issue was discovered in Croc through 9.6.5. CVSS 3.1HIGH 7.8
  • TI-2023-23346 An issue was discovered in Croc through 9.6.5. CVSS 3.1MEDIUM 5.3
  • TI-2023-23349 An issue was discovered in Croc through 9.6.5. CVSS 3.1MEDIUM 4.7
  • TI-2023-23344 An issue was discovered in Croc through 9.6.5. CVSS 3.1MEDIUM 5.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences