High severity · published Aug 20, 2019
CVE-2019-11924
A peer could send empty handshake fragments containing only padding which would be kept in memory until a full handshake was received, resulting in memory exhaustion
7.5
CVSS
2.4%
EPSS
No
On KEV
Description
A peer could send empty handshake fragments containing only padding which would be kept in memory until a full handshake was received, resulting in memory exhaustion. This issue affects versions v2019.01.28.00 and above of fizz, until v2019.08.05.00.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.4% · higher than 84% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Fizz · Facebook
2019.01.28.00 through 2019.08.05.00 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-11924
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-11924
Patch
https://github.com/facebookincubator/fizz/commit/3eaddb33619eaaf74a760872850c550ad8f5c52f
Patch
https://github.com/facebookincubator/fizz/commit/6bf67137ef1ee5cd70c842b014c322b7deaf994b
Vendor Advisory
https://www.facebook.com/security/advisories/cve-2019-11924
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