What’s Vulnerable › Vulnerabilities

CVE-2023-43617

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-09-20 · updated 2026-06-17
• Weakness: CWE-200

Description

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.

Affected products

• Schollz Croc: through 9.6.5

References

• http://www.openwall.com/lists/oss-security/2023/09/21/5
• https://github.com/schollz/croc/issues/596
• https://www.openwall.com/lists/oss-security/2023/09/08/2
• http://www.openwall.com/lists/oss-security/2023/09/21/5
• https://github.com/schollz/croc/issues/596
• https://www.openwall.com/lists/oss-security/2023/09/08/2

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