CVE-2018-6343
Last modified
CVE-2018-6343 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Proxygen fails to validate that a secondary auth manager is set before dereferencing it. That can cause a denial of service issue when parsing a Certificate/CertificateRequest HTTP2 Frame over a fizz (TLS 1.3) transport. EPSS estimates a 0.83% chance of exploitation in the next 30 days.
Description
Proxygen fails to validate that a secondary auth manager is set before dereferencing it. That can cause a denial of service issue when parsing a Certificate/CertificateRequest HTTP2 Frame over a fizz (TLS 1.3) transport. This issue affects Proxygen releases starting from v2018.10.29.00 until the fix in v2018.11.19.00.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Proxygen | >= 2018.10.29.00, < 2018.11.19.00 |
References
- https://github.com/facebook/proxygen/commit/0600ebe59c3e82cd012def77ca9ca1918da74a71Patch, Third Party Advisory
- https://github.com/facebook/proxygen/commit/0600ebe59c3e82cd012def77ca9ca1918da74a71Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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