CVE-2021-39156

Istio is an open source platform for providing a uniform way to integrate microservices, manage traffic flow across microservices, enforce policies and aggregate telemetry data. Istio 1.11.0, 1.10.3 and below, and 1.9.7 and below contain a remotely exploitable vulnerability where an HTTP request with `#fragment` in the path may bypass Istio’s URI path based authorization policies. Patches are available in Istio 1.11.1, Istio 1.10.4 and Istio 1.9.8. As a work around a Lua filter may be written to normalize the path.
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*
cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*
cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*

History

07 Nov 2023, 03:37

Type Values Removed Values Added
Summary Istio is an open source platform for providing a uniform way to integrate microservices, manage traffic flow across microservices, enforce policies and aggregate telemetry data. Istio 1.11.0, 1.10.3 and below, and 1.9.7 and below contain a remotely exploitable vulnerability where an HTTP request with `#fragment` in the path may bypass Istio’s URI path based authorization policies. Patches are available in Istio 1.11.1, Istio 1.10.4 and Istio 1.9.8. As a work around a Lua filter may be written to normalize the path. Istio is an open source platform for providing a uniform way to integrate microservices, manage traffic flow across microservices, enforce policies and aggregate telemetry data. Istio 1.11.0, 1.10.3 and below, and 1.9.7 and below contain a remotely exploitable vulnerability where an HTTP request with `#fragment` in the path may bypass Istio’s URI path based authorization policies. Patches are available in Istio 1.11.1, Istio 1.10.4 and Istio 1.9.8. As a work around a Lua filter may be written to normalize the path.

12 Aug 2022, 18:01

Type Values Removed Values Added
CWE CWE-863 CWE-706

31 Aug 2021, 19:12

Type Values Removed Values Added
CPE cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*
References (CONFIRM) https://github.com/istio/istio/security/advisories/GHSA-hqxw-mm44-gc4r - (CONFIRM) https://github.com/istio/istio/security/advisories/GHSA-hqxw-mm44-gc4r - Third Party Advisory
References (MISC) https://istio.io/latest/news/security/istio-security-2021-008 - (MISC) https://istio.io/latest/news/security/istio-security-2021-008 - Vendor Advisory
CVSS v2 : unknown
v3 : 8.1
v2 : 5.0
v3 : 7.5

24 Aug 2021, 23:15

Type Values Removed Values Added
New CVE

Information

Published : 2021-08-24 23:15

Updated : 2023-12-10 13:55


NVD link : CVE-2021-39156

Mitre link : CVE-2021-39156

CVE.ORG link : CVE-2021-39156


JSON object : View

Products Affected

istio

  • istio
CWE
CWE-706

Use of Incorrectly-Resolved Name or Reference

CWE-863

Incorrect Authorization