CVE-2022-31045— Ill-formed headers may lead to unexpected behavior in Istio
Quick assessment
Affected
istio istio
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Istio是一套连接、管理和保护微服务的开放平台。 Istio 存在缓冲区错误漏洞，该漏洞源于在某些配置中发送给 Envoy 的格式错误的标头可能会导致意外的内存访问，从而导致服务崩溃，以下产品和版本受到影响：1.12.8及之前版本,、1.13.5及之前版本、1.14.0及之前版本。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-31045
Vulnerability Information
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Vulnerability Title
Ill-formed headers may lead to unexpected behavior in Istio
Source: CVE Program / CVE List V5
Vulnerability Description
Istio is an open platform to connect, manage, and secure microservices. In affected versions ill-formed headers sent to Envoy in certain configurations can lead to unexpected memory access resulting in undefined behavior or crashing. Users are most likely at risk if they have an Istio ingress Gateway exposed to external traffic. This vulnerability has been resolved in versions 1.12.8, 1.13.5, and 1.14.1. Users are advised to upgrade. There are no known workarounds for this issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
Istio 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Istio是一套连接、管理和保护微服务的开放平台。 Istio 存在缓冲区错误漏洞，该漏洞源于在某些配置中发送给 Envoy 的格式错误的标头可能会导致意外的内存访问，从而导致服务崩溃，以下产品和版本受到影响：1.12.8及之前版本,、1.13.5及之前版本、1.14.0及之前版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2022-31045
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Vendor Advisories for CVE-2022-31045 (1)
-
https://github.com/istio/istio/security/advisories/GHSA-xwx5-5c9g-x68x x_refsource_CONFIRM
Other References for CVE-2022-31045 (1)
-
https://istio.io/latest/news/security/istio-security-2022-05 x_refsource_MISC
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Same vendor: istio
-
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Same weakness: CWE-125
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V. Comments for CVE-2022-31045
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