shadow-utils (aka shadow) 4.4 through 4.17.0 establishes a default /etc/subuid behavior (e.g., uid 100000 through 165535 for the first user account) that can realistically conflict with the uids of users defined on locally administered networks, potentially leading to account takeover, e.g., by leveraging newuidmap for access to an NFS home directory (or same-host resources in the case of remote logins by these local network users). NOTE: it may also be argued that system administrators should not have assigned uids, within local networks, that are within the range that can occur in /etc/subuid.
Metrics
Affected Vendors & Products
References
History
Fri, 27 Dec 2024 15:15:00 +0000
Type | Values Removed | Values Added |
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Metrics |
ssvc
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Thu, 26 Dec 2024 13:30:00 +0000
Type | Values Removed | Values Added |
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Title | shadow-utils: Default subordinate ID configuration in /etc/login.defs could lead to compromise | |
References |
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Metrics |
threat_severity
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threat_severity
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Thu, 26 Dec 2024 09:00:00 +0000
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Weaknesses | CWE-1188 | |
Metrics |
cvssV3_1
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Thu, 26 Dec 2024 08:45:00 +0000
Type | Values Removed | Values Added |
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Description | shadow-utils (aka shadow) 4.4 through 4.17.0 establishes a default /etc/subuid behavior (e.g., uid 100000 through 165535 for the first user account) that can realistically conflict with the uids of users defined on locally administered networks, potentially leading to account takeover, e.g., by leveraging newuidmap for access to an NFS home directory (or same-host resources in the case of remote logins by these local network users). NOTE: it may also be argued that system administrators should not have assigned uids, within local networks, that are within the range that can occur in /etc/subuid. | |
References |
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MITRE
Status: PUBLISHED
Assigner: mitre
Published: 2024-12-26T00:00:00
Updated: 2024-12-27T14:48:48.272Z
Reserved: 2024-12-26T00:00:00
Link: CVE-2024-56433
Vulnrichment
Updated: 2024-12-27T14:48:44.101Z
NVD
Status : Received
Published: 2024-12-26T09:15:07.267
Modified: 2024-12-26T09:15:07.267
Link: CVE-2024-56433
Redhat