Vulnerability Details : 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. This issue affects versions v2019.01.28.00 and above of fizz, until v2019.08.05.00.
Products affected by CVE-2019-11924
- cpe:2.3:a:facebook:fizz:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-11924
0.51%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 64 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-11924
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2019-11924
-
The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-11924
-
https://www.facebook.com/security/advisories/cve-2019-11924
FacebookVendor Advisory
-
https://github.com/facebookincubator/fizz/commit/3eaddb33619eaaf74a760872850c550ad8f5c52f
Coalesce handshake buffers · facebookincubator/fizz@3eaddb3 · GitHubPatch;Third Party Advisory
-
https://github.com/facebookincubator/fizz/commit/6bf67137ef1ee5cd70c842b014c322b7deaf994b
Reject zero length handshake records. · facebookincubator/fizz@6bf6713 · GitHubPatch;Third Party Advisory
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