Packet of Death Vulnerability in mvfst by Facebook Incubator
CVE-2021-24029

7.5HIGH

Key Information:

Vendor

Facebook

Status
Mvfst
Proxygen
Vendor
CVE Published:
15 March 2021

What is CVE-2021-24029?

A crafted message during a QUIC session can trigger a packet of death in mvfst, causing the application to crash due to a failed assertion. According to the QUIC specification, this type of message should be treated as a connection error. This vulnerability impacts specific versions of mvfst and proxygen, highlighting the importance of keeping software updated to the latest versions to mitigate such risks.

Affected Version(s)

mvfst < unspecified

proxygen < unspecified

mvfst a67083ff4b8dcbb7ee2839da6338032030d712b0

References

https://github.com/facebookincubator/mvfst/commit/a67083f...
x_refsource_CONFIRM
https://www.facebook.com/security/advisories/cve-2021-24029
x_refsource_CONFIRM

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.