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CVE-2022-36109— Moby vulnerability relating to supplementary group permissions

Quick assessment

Affected
moby moby
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.

Moby是一个开源项目，旨在推动软件的容器化，并帮助生态系统使容器技术主流化。 Moby 20.10.18之前版本存在安全漏洞，该漏洞源于补充组设置不正确。攻击者利用该漏洞获得对敏感信息的访问权限或获得在该容器中执行代码的能力。

CVSS 5.3 · Medium EPSS 1.04% · P63
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I. Basic Information for CVE-2022-36109

Vulnerability Information
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Vulnerability Title
Moby vulnerability relating to supplementary group permissions
Source: CVE Program / CVE List V5
Vulnerability Description
Moby is an open-source project created by Docker to enable software containerization. A bug was found in Moby (Docker Engine) where supplementary groups are not set up properly. If an attacker has direct access to a container and manipulates their supplementary group access, they may be able to use supplementary group access to bypass primary group restrictions in some cases, potentially gaining access to sensitive information or gaining the ability to execute code in that container. This bug is fixed in Moby (Docker Engine) 20.10.18. Running containers should be stopped and restarted for the permissions to be fixed. For users unable to upgrade, this problem can be worked around by not using the `"USER $USERNAME"` Dockerfile instruction. Instead by calling `ENTRYPOINT ["su", "-", "user"]` the supplementary groups will be set up properly.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Moby 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Moby是一个开源项目，旨在推动软件的容器化，并帮助生态系统使容器技术主流化。 Moby 20.10.18之前版本存在安全漏洞，该漏洞源于补充组设置不正确。攻击者利用该漏洞获得对敏感信息的访问权限或获得在该容器中执行代码的能力。
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
moby moby < 20.10.18 -

II. Public POCs for CVE-2022-36109

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III. Intelligence Information for CVE-2022-36109

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Patches & Fixes for CVE-2022-36109 (1)

Vendor Advisories for CVE-2022-36109 (1)

Mailing List Discussions for CVE-2022-36109 (4)

Security Blog Posts for CVE-2022-36109 (1)

Other References for CVE-2022-36109 (1)

IV. Related Vulnerabilities

Same product: moby
Same vendor: moby
Same weakness: CWE-863

V. Comments for CVE-2022-36109

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