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GHSA-WP8H-M67C-CXPW
Vulnerability from github – Published: 2023-08-23 12:30 – Updated: 2024-09-16 14:37
VLAI?
Details
A vulnerability was found in subscription-manager that allows local privilege escalation due to inadequate authorization. The D-Bus interface com.redhat.RHSM1 exposes a significant number of methods to all users that could change the state of the registration. By using the com.redhat.RHSM1.Config.SetAll() method, a low-privileged local user could tamper with the state of the registration, by unregistering the system or by changing the current entitlements. This flaw allows an attacker to set arbitrary configuration directives for /etc/rhsm/rhsm.conf, which can be abused to cause a local privilege escalation to an unconfined root.
Severity ?
7.8 (High)
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CVE-2023-3899 (GCVE-0-2023-3899)
Vulnerability from cvelistv5 – Published: 2023-08-23 10:49 – Updated: 2025-11-20 07:23
VLAI?
EPSS
Summary
A vulnerability was found in subscription-manager that allows local privilege escalation due to inadequate authorization. The D-Bus interface com.redhat.RHSM1 exposes a significant number of methods to all users that could change the state of the registration. By using the com.redhat.RHSM1.Config.SetAll() method, a low-privileged local user could tamper with the state of the registration, by unregistering the system or by changing the current entitlements. This flaw allows an attacker to set arbitrary configuration directives for /etc/rhsm/rhsm.conf, which can be abused to cause a local privilege escalation to an unconfined root.
Severity ?
7.8 (High)
CWE
- CWE-285 - Improper Authorization
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 7 |
Unaffected:
0:1.24.52-2.el7_9 , < *
(rpm)
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|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Credits
This issue was discovered by Thibault Guittet (Senior Product Security Engineer, Red Hat).
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"workarounds": [
{
"lang": "en",
"value": "A workaround is to mask rhsm.service using: \n\n~~~\nsystemctl mask rhsm.service\n~~~\n\nWhen the rhsm.service is masked, then no D-Bus call cannot trigger the service and all D-Bus calls will be terminated with error: \"Call failed: Could not activate remote peer.\" But then all applications using D-Bus API will not work until you unmask the service using: \"systemctl unmask rhsm.service\""
}
],
"x_redhatCweChain": "CWE-285: Improper Authorization"
}
},
"cveMetadata": {
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"cveId": "CVE-2023-3899",
"datePublished": "2023-08-23T10:49:11.684Z",
"dateReserved": "2023-07-25T10:15:36.274Z",
"dateUpdated": "2025-11-20T07:23:33.825Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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