Resource exhaustion in Facebook Mcrouter
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.015 (72.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Facebook Mcrouter — versions 0.41.0, unspecified
Weakness classification (CWE)
References
- www.facebook.com/security/advisories/cve-2019-11923 (Vendor Advisory)
- github.com/facebook/mcrouter/releases/tag/v0.41.0-release (Release Notes, Vendor Advisory)
- github.com/facebook/mcrouter/commit/98ce6624cd2563cfdb5da3b2949d5e1e03867034 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-11923?
- CVE-2019-11923 is a high-severity vulnerability in Facebook Mcrouter, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2019-12-04.
- How severe is CVE-2019-11923?
- High severity. CVSS v3 base score is 7.5 out of 10.