PT-2019-5281 · Istio · Istio

Skambashi · Published 2019-08-13 · Updated 2022-05-24 · CVE-2019-14993

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Istio versions 1.1.0 through 1.1.12 Istio versions 1.2.0 through 1.2.3

Description The issue is related to insufficient handling of regular expressions for long URIs, which can lead to a denial of service. This problem affects the use of the JWT, VirtualService, HTTPAPISpecBinding, or QuotaSpecBinding API.

Recommendations For Istio versions 1.1.0 through 1.1.12, update to version 1.1.13 or later. For Istio versions 1.2.0 through 1.2.3, update to version 1.2.4 or later.

Exploit

Fix

Weakness Enumeration

CWE-185

Related Identifiers

BDU:2020-02182

CVE-2019-14993

ECHO-25FD-0081-1C51

GHSA-QCVW-82HH-GQ38

Affected Products

Istio

References · 8

• 🔥 https://github.com/envoyproxy/envoy/issues/7728 · Exploit
• 🔥 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86164 · Exploit
• https://istio.io/blog/2019/istio-security-003-004 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-14993 · Security Note
• https://discuss.istio.io/t/upcoming-security-updates-in-istio-1-2-4-and-1-1-13/3383 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-02182 · Security Note
• https://osv.dev/vulnerability/GHSA-qcvw-82hh-gq38 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-14993 · Vendor Advisory