Denial of Service Vulnerability in Mcrouter by Facebook
CVE-2019-11937

7.5HIGH

Key Information:

Vendor

Facebook

Status
Mcrouter
Vendor
CVE Published:
4 December 2019

What is CVE-2019-11937?

The vulnerability allows an attacker to exploit a large struct input sent to the Carbon protocol reader in Mcrouter, resulting in stack exhaustion. This can lead to a denial of service condition, rendering the affected service unavailable. Users of Mcrouter prior to v0.41.0 are advised to upgrade to mitigate this risk.

Affected Version(s)

Mcrouter 0.41.0

Mcrouter < 0.41.0

References

https://github.com/facebook/mcrouter/releases/tag/v0.41.0...
x_refsource_MISC
https://www.facebook.com/security/advisories/cve-2019-11937
x_refsource_CONFIRM
https://github.com/facebook/mcrouter/commit/97e033b3bb0cb...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.