Denial of Service Vulnerability in Istio API Management System
CVE-2019-14993

7.5HIGH

Key Information:

Vendor

Istio

Status
Istio
Vendor
CVE Published:
13 August 2019

What is CVE-2019-14993?

Istio prior to version 1.1.13 and 1.2.x before 1.2.4 contains a vulnerability that improperly handles regular expressions for lengthy URIs. This flaw can result in a denial of service when utilizing the JWT, VirtualService, HTTPAPISpecBinding, or QuotaSpecBinding API, which may disrupt service availability and user access.

References

https://discuss.istio.io/t/upcoming-security-updates-in-i...
x_refsource_MISC
https://github.com/envoyproxy/envoy/issues/7728
x_refsource_MISC
https://istio.io/blog/2019/istio-security-003-004/
x_refsource_CONFIRM

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

.