CVE-2019-14993 Information

Description

Istio before 1.1.13 and 1.2.x before 1.2.4 mishandles regular expressions for long URIs leading to a denial of service during use of the JWT VirtualService HTTPAPISpecBinding or QuotaSpecBinding API.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://discuss.istio.io/t/upcoming-security-updates-in-istio-1-2-4-and-1-1-13/3383 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86164 https://github.com/envoyproxy/envoy/issues/7728 https://istio.io/blog/2019/istio-security-003-004/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5