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CVE-2022-41939— Credential exposure when running third-party builders in knative/func

Quick assessment

Affected
knative func
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.

Func是Knative开源的一个客户端库和 CLI ，支持功能的开发和部署。 Func 1.8.0版本及之前版本存在信息泄露漏洞。攻击者利用该漏洞导致注册表凭据或本地docker暴露。

CVSS 6.1 · Medium EPSS 0.95% · P59

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2022-41939

Vulnerability Information
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Vulnerability Title
Credential exposure when running third-party builders in knative/func
Source: CVE Program / CVE List V5
Vulnerability Description
knative.dev/func is is a client library and CLI enabling the development and deployment of Kubernetes functions. Developers using a malicious or compromised third-party buildpack could expose their registry credentials or local docker socket to a malicious `lifecycle` container. This issues has been patched in PR #1442, and is part of release 1.8.1. This issue only affects users who are using function buildpacks from third-parties; pinning the builder image to a specific content-hash with a valid `lifecycle` image will also mitigate the attack.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Func 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Func是Knative开源的一个客户端库和 CLI ，支持功能的开发和部署。 Func 1.8.0版本及之前版本存在信息泄露漏洞。攻击者利用该漏洞导致注册表凭据或本地docker暴露。
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

Vendor Product Affected Versions CPE Subscribe
knative func < 1.8.1 -

II. Public POCs for CVE-2022-41939

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III. Intelligence Information for CVE-2022-41939

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Patches & Fixes for CVE-2022-41939 (1)

Vendor Advisories for CVE-2022-41939 (1)

Other References for CVE-2022-41939 (2)

IV. Related Vulnerabilities

Same vendor: knative
Same weakness: CWE-200

V. Comments for CVE-2022-41939

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