Vulnerability Monitor

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CVE-2021-24029

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.

Published

2021-03-15T22:15:13.530

Last Modified

2024-11-21T05:52:14.570

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Secondary
CWE-617
Type: Primary
CWE-617

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	facebook	mvfst	< 2021-03-13	Yes
Application	facebook	proxygen	< 2021.03.15.00	Yes

References

https://github.com/facebookincubator/mvfst/commit/a67083ff4b8dcbb7ee2839da6338032030d712b0 Patch, Third Party Advisory ([email protected])
https://www.facebook.com/security/advisories/cve-2021-24029 Vendor Advisory ([email protected])
https://github.com/facebookincubator/mvfst/commit/a67083ff4b8dcbb7ee2839da6338032030d712b0 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.facebook.com/security/advisories/cve-2021-24029 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)