PT-2021-15653 · Mvfst+1 · Mvfst+1

Published 2021-03-15 · Updated 2021-03-23 · CVE-2021-24029

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: mvfst versions prior to commit a67083ff4b8dcbb7ee2839da6338032030d712b0 proxygen versions prior to v2021.03.15.00

Description: A packet of death scenario is possible via a specially crafted message during a QUIC session, which causes a crash via a failed assertion. Per QUIC specification, this particular message should be treated as a connection error.

Recommendations: For mvfst versions prior to commit a67083ff4b8dcbb7ee2839da6338032030d712b0, update to a version that includes commit a67083ff4b8dcbb7ee2839da6338032030d712b0 or later. For proxygen versions prior to v2021.03.15.00, update to v2021.03.15.00 or later.

Fix

Assertion Failure

Weakness Enumeration

CWE-617

Related Identifiers

CVE-2021-24029

Affected Products

Mvfst

Proxygen

References · 7

• https://github.com/facebookincubator/mvfst/commit/a67083ff4b8dcbb7ee2839da6338032030d712b0 · Patch
• https://facebook.com/security/advisories/cve-2021-24029 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-24029 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-24029 · Security Note
• https://t.me/cibsecurity/24933 · Telegram Post
• https://t.me/cvenotify/11389 · Telegram Post
• https://t.me/cvenotify/11805 · Telegram Post