Vulnerability Details : CVE-2019-11923
In Mcrouter prior to v0.41.0, the deprecated ASCII parser would allocate a buffer to a user-specified length with no maximum length enforced, allowing for resource exhaustion or denial of service.
Vulnerability category: Denial of service
Products affected by CVE-2019-11923
- cpe:2.3:a:facebook:mcrouter:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-11923
0.22%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 60 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-11923
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/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-2019-11923
-
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-2019-11923
-
https://www.facebook.com/security/advisories/cve-2019-11923
FacebookVendor Advisory
-
https://github.com/facebook/mcrouter/commit/98ce6624cd2563cfdb5da3b2949d5e1e03867034
Enforce a limit on value bytes size · facebook/mcrouter@98ce662 · GitHubPatch;Third Party Advisory
-
https://github.com/facebook/mcrouter/releases/tag/v0.41.0-release
Release Version 41 · facebook/mcrouter · GitHubRelease Notes;Vendor Advisory
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