PT-2018-17491 · Facebook · Proxygen

Published 2018-12-31 · Updated 2025-05-06 · CVE-2018-6343

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Proxygen versions v2018.10.29.00 through v2018.11.19.00

Description The issue is related to the failure of Proxygen to validate that a secondary auth manager is set before dereferencing it, which can cause a denial of service issue. This occurs when parsing a Certificate/CertificateRequest HTTP2 Frame over a fizz (TLS 1.3) transport.

Recommendations For Proxygen versions v2018.10.29.00 through v2018.11.19.00, update to a version newer than v2018.11.19.00 to resolve the issue.

Fix

DoS

NULL Pointer Dereference

RCE

Weakness Enumeration

CWE-476

CWE-20

Related Identifiers

CVE-2018-6343

Affected Products

Proxygen

References · 4

• https://github.com/facebook/proxygen/commit/0600ebe59c3e82cd012def77ca9ca1918da74a71 · Patch
• https://osv.dev/vulnerability/CVE-2018-6343 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-6343 · Security Note
• https://t.me/cvenotify/121017 · Telegram Post