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CVE-2021-24029

Published: Mar 15, 2021Updated: Nov 21, 2024 Sources: CVE List NVDCWE-617
NVD MITRE
7.5CVSSHIGH
EPSS Score
1.2%
Top 36.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-617

Affected Products

mvfstFacebookCommunications
proxygenFacebookCommunications
mvfstfacebookCommunications
proxygenfacebookCommunications
facebookcommercialUSCommunicationsaka meta, facebook inc.

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://github.com/facebookincubator/mvfst/commit/a67083ff4b8dcbb7ee2839da6338032030d712b0
github.com
https://www.facebook.com/security/advisories/cve-2021-24029
facebook.com

Timeline

Published
Mar 15, 2021
Last Updated
Nov 21, 2024

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