Home/CVE/A packet of death scenario is possible in mvfst via a specially crafted message during a QUIC session, which causes a cr
CVE

CVE-2021-24029

A packet of death scenario is possible in mvfst via a specially crafted message during a QUIC session, which causes a cr

A packet of death scenario is possible in mvfst 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. This issue affects mvfst versions prior to commit a67083ff4b8dcbb7ee2839da6338032030d712b0 and proxygen versions prior to v2021.03.15.00.

HIGH · CVSS 7.5 EPSS 0.00468
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-617Reachable Assertion
CWE-617Reachable Assertion
▤

Affected Products & Versions

2
facebook mvfst< 2021-03-13
facebook proxygen< 2021.03.15.00
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cve-assign@fb.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 Mar 2021 · 10:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/facebookincubator/mvfst/commit/a67083ff4b8dcbb7ee2839da6338032030d712b0PatchThird Party Advisory
https://www.facebook.com/security/advisories/cve-2021-24029Vendor Advisory
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