Ceph: Placement of User into Incorrect Group
CVE-2022-3650 is a high-severity placement of user into incorrect group vulnerability in Ceph, with a CVSS 3.1 base score of 7.8 out of 10. It can be exploited with local access to the system by an attacker with a low-privileged account, without any action from a user. There is no confirmed exploitation so far. EPSS estimates a 0.33% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of Ceph you run against the affected versions below, and install the vendor's latest release.
Affected products and versions
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- LocalThe attacker needs local access or must trick a user into running something.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- LowA basic user account is enough.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.
Official description
A privilege escalation flaw was found in Ceph. Ceph-crash.service allows a local attacker to escalate privileges to root in the form of a crash dump, and dump privileged information.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Placement of User into Incorrect Group
The product or the administrator places a user into an incorrect group.
More Placement of User into Incorrect Group vulnerabilities (CWE-842)
Timeline
- CVE record published.
- Record last changed materially (score, affected products, status or references).
References
Technical write-ups (may include proof of concept)
- seclists.org/oss-sec/2022/q4/41Exploit, Mailing List, Third Party Advisory
Other references
Other vulnerabilities in Ceph
- 8.1 High severity
- 9.1 Critical severity
- 8.8 High severity
- 8.9 High severity
- 7.5 High severity
- 8.1 High severity
Recent Placement of User into Incorrect Group vulnerabilities
- 7.2 High severity
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