CVE-2021-3626— Windows version of Multipass unauthenticated localhost tcp control socket can perform mounts
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I. Basic Information for CVE-2021-3626
Vulnerability Information
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Vulnerability Title
Windows version of Multipass unauthenticated localhost tcp control socket can perform mounts
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Windows version of Multipass before 1.7.0 allowed any local process to connect to the localhost TCP control socket to perform mounts from the operating system to a guest, allowing for privilege escalation.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
文件名或路径的外部可控制
Source: NVD (National Vulnerability Database)
Vulnerability Title
Multipass 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Multipass是一个适用于 Linux、Windows 和 MacOS 的轻量级 Vm 管理器。 Multipass 1.7.0之前的Windows版本存在安全漏洞，该漏洞允许权限升级。
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-2021-3626
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- https://github.com/canonical/multipass/pull/2150x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-3626
Same Patch Batch · Canonical · 2021-10-01 · 4 CVEs total
| CVE-2021-3747 | 8.8 HIGH | MacOS version of Multipass incorrect owner for application directory |
| CVE-2021-3710 | 6.5 MEDIUM | Apport info disclosure via path traversal bug in read_file |
| CVE-2021-3709 | 6.5 MEDIUM | Apport file permission bypass through emacs byte compilation errors |
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V. Comments for CVE-2021-3626
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