VulnerabilityModified
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.
HIGH 7.5EPSS 1.45%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.45%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.45% probability · 72th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-770
- Affected
- facebook/mcrouter
- Source
- cve-assign@fb.com
References
- https://github.com/facebook/mcrouter/commit/98ce6624cd2563cfdb5da3b2949d5e1e03867034Patch, Third Party Advisory
- https://github.com/facebook/mcrouter/releases/tag/v0.41.0-releaseRelease Notes, Vendor Advisory
- https://www.facebook.com/security/advisories/cve-2019-11923Vendor Advisory
- https://github.com/facebook/mcrouter/commit/98ce6624cd2563cfdb5da3b2949d5e1e03867034Patch, Third Party Advisory
- https://github.com/facebook/mcrouter/releases/tag/v0.41.0-releaseRelease Notes, Vendor Advisory
- https://www.facebook.com/security/advisories/cve-2019-11923Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.