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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2022-24769 Detail

Description

Moby is an open-source project created by Docker to enable and accelerate software containerization. A bug was found in Moby (Docker Engine) prior to version 20.10.14 where containers were incorrectly started with non-empty inheritable Linux process capabilities, creating an atypical Linux environment and enabling programs with inheritable file capabilities to elevate those capabilities to the permitted set during `execve(2)`. Normally, when executable programs have specified permitted file capabilities, otherwise unprivileged users and processes can execute those programs and gain the specified file capabilities up to the bounding set. Due to this bug, containers which included executable programs with inheritable file capabilities allowed otherwise unprivileged users and processes to additionally gain these inheritable file capabilities up to the container's bounding set. Containers which use Linux users and groups to perform privilege separation inside the container are most directly impacted. This bug did not affect the container security sandbox as the inheritable set never contained more capabilities than were included in the container's bounding set. This bug has been fixed in Moby (Docker Engine) 20.10.14. Running containers should be stopped, deleted, and recreated for the inheritable capabilities to be reset. This fix changes Moby (Docker Engine) behavior such that containers are started with a more typical Linux environment. As a workaround, the entry point of a container can be modified to use a utility like `capsh(1)` to drop inheritable capabilities prior to the primary process starting.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.openwall.com/lists/oss-security/2022/05/12/1 Mailing List  Third Party Advisory 
https://github.com/moby/moby/commit/2bbc786e4c59761d722d2d1518cd0a32829bc07f Patch  Third Party Advisory 
https://github.com/moby/moby/releases/tag/v20.10.14 Release Notes  Third Party Advisory 
https://github.com/moby/moby/security/advisories/GHSA-2mm7-x5h6-5pvq Mitigation  Third Party Advisory 
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6PMQKCAPK2AR3DCYITJYMMNBEGQBGLCC/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A5AFKOQ5CE3CEIULWW4FLQKHFFU6FSYG/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A5FQJ3MLFSEKQYCFPFZIKYGBXPZUJFVY/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FPOJUJZXGMIVKRS4QR75F6OIXNQ6LDBL/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HIMAHZ6AUIKN7AX26KHZYBXVECIOVWBH/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HQCVS7WBFSTKJFNX5PGDRARMTOFWV2O7/
https://security.gentoo.org/glsa/202401-31
https://www.debian.org/security/2022/dsa-5162 Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-732 Incorrect Permission Assignment for Critical Resource cwe source acceptance level NIST   GitHub, Inc.  

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Change History

13 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2022-24769
NVD Published Date:
03/24/2022
NVD Last Modified:
01/31/2024
Source:
GitHub, Inc.