漏洞信息
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Vulnerability Title
Azure/setup-kubectl: Escalation of privilege vulnerability for v3 and lower
Vulnerability Description
Azure/setup-kubectl is a GitHub Action for installing Kubectl. This vulnerability only impacts versions before version 3. An insecure temporary creation of a file allows other actors on the Actions runner to replace the Kubectl binary created by this action because it is world writable. This Kubectl tool installer runs `fs.chmodSync(kubectlPath, 777)` to set permissions on the Kubectl binary, however, this allows any local user to replace the Kubectl binary. This allows privilege escalation to the user that can also run kubectl, most likely root. This attack is only possible if an attacker somehow breached the GitHub actions runner or if a user is utilizing an Action that maliciously executes this attack. This has been fixed and released in all versions `v3` and later. 775 permissions are used instead. Users are advised to upgrade. There are no known workarounds for this issue.
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
Vulnerability Type
关键资源的不正确权限授予
Vulnerability Title
Azure setup-kubectl 安全漏洞
Vulnerability Description
setup-kubectl是在Azure云中安装kubectl的工具。 Azure setup-kubectl 3.0之前版本存在安全漏洞。攻击者利用该漏洞可以升级权限。
CVSS Information
N/A
Vulnerability Type
N/A