High severity · published Apr 29, 2019
CVE-2019-3560
An improperly performed length calculation on a buffer in PlaintextRecordLayer could lead to an infinite loop and denial-of-service based on user input
7.5
CVSS
2.4%
EPSS
No
On KEV
Description
An improperly performed length calculation on a buffer in PlaintextRecordLayer could lead to an infinite loop and denial-of-service based on user input. This issue affected versions of fizz prior to v2019.03.04.00.
CVSS vector
CVSS:3.1/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
before 2019.03.04.00 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-3560
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-3560
packetstormsecurity.com
http://packetstormsecurity.com/files/172836/polkit-Authentication-Bypass.html
packetstormsecurity.com
http://packetstormsecurity.com/files/172846/Facebook-Fizz-Denial-Of-Service.html
Patch
https://github.com/facebookincubator/fizz/commit/40bbb161e72fb609608d53b9d64c56bb961a6ee2
More from Fizz
7.5
CVE-2023-23759
There is a vulnerability in the fizz library prior to v2023.01.30.00 where a CHECK failure can be triggered remotely
7.5
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