CVE-2025-7195 (GCVE-0-2025-7195)
Vulnerability from cvelistv5
Published
2025-08-07 19:05
Modified
2025-08-19 15:09
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-276 - Incorrect Default Permissions
Summary
Early versions of Operator-SDK provided an insecure method to allow operator containers to run in environments that used a random UID. Operator-SDK before 0.15.2 provided a script, user_setup, which modifies the permissions of the /etc/passwd file to 664 during build time. Developers who used Operator-SDK before 0.15.2 to scaffold their operator may still be impacted by this if the insecure user_setup script is still being used to build new container images.
In affected images, the /etc/passwd file is created during build time with group-writable permissions and a group ownership of root (gid=0). An attacker who can execute commands within an affected container, even as a non-root user, may be able to leverage their membership in the root group to modify the /etc/passwd file. This could allow the attacker to add a new user with any arbitrary UID, including UID 0, leading to full root privileges within the container.
References
Impacted products
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Restricted-v2, applies several crucial security settings to containers. \\n\\nCapabilities: drop: ALL removes all Linux capabilities, including SETUID and SETGID. This prevents a process from changing its user or group ID, a common step in privilege escalation attacks. The SETUID and SETGID capabilities can also be dropped explicitly if other capabilities are still required.\\n\\nallowPrivilegeEscalation: false ensures that a process cannot gain more privileges than its parent process. This blocks attempts by a compromised container process to grant itself additional capabilities.\\n\\nSELinux Mandatory Access Control (MAC): Pods are required to run with a pre-allocated Multi-Category Security (MCS) label. This SELinux feature provides a strong layer of isolation between containers and from the host system. A properly configured SELinux policy can prevent a container escape, even if an attacker gains elevated permissions within the container itself.\\n\\nFilesystem Hardening: While not a default setting, a common security practice is to set readOnlyRootFilesystem: true in a container\u0027s security context. In this specific scenario, this configuration would prevent an attacker from modifying critical files like /etc/passwd, even if they managed to gain file-level write permissions.\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"Early versions of Operator-SDK provided an insecure method to allow operator containers to run in environments that used a random UID. Operator-SDK before 0.15.2 provided a script, user_setup, which modifies the permissions of the /etc/passwd file to 664 during build time. Developers who used Operator-SDK before 0.15.2 to scaffold their operator may still be impacted by this if the insecure user_setup script is still being used to build new container images. \\n\\nIn affected images, the /etc/passwd file is created during build time with group-writable permissions and a group ownership of root (gid=0). An attacker who can execute commands within an affected container, even as a non-root user, may be able to leverage their membership in the root group to modify the /etc/passwd file. This could allow the attacker to add a new user with any arbitrary UID, including UID 0, leading to full root privileges within the container.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-276\", \"description\": \"Incorrect Default Permissions\"}]}], \"providerMetadata\": {\"orgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"shortName\": \"redhat\", \"dateUpdated\": \"2025-08-19T15:09:06.410Z\"}, \"x_redhatCweChain\": \"CWE-276: Incorrect Default Permissions\"}}",
"cveMetadata": "{\"cveId\": \"CVE-2025-7195\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-08-19T15:09:06.410Z\", \"dateReserved\": \"2025-07-07T08:45:21.278Z\", \"assignerOrgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"datePublished\": \"2025-08-07T19:05:08.756Z\", \"assignerShortName\": \"redhat\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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