Gentoo update for Ceph



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-3650
CWE-ID CWE-276
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Gentoo Linux
Operating systems & Components / Operating system

sys-cluster/ceph
Operating systems & Components / Operating system package or component

Vendor Gentoo

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Incorrect default permissions

EUVDB-ID: #VU72630

Risk: Low

CVSSv4.0: 7.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:U/U:Clear]

CVE-ID: CVE-2022-3650

CWE-ID: CWE-276 - Incorrect Default Permissions

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to ceph-crash.service runs the ceph-crash Python script with root privileges. The script is operating in the directory /var/lib/ceph/crash which is controlled by the unprivileged ceph user. A local user can inject arbitrary data into the crash dump and force the privileged script to write that file into an arbitrary location on the system, resulting in privilege escalation.

Mitigation

Update the affected packages.
sys-cluster/ceph to version: 17.2.6

Vulnerable software versions

Gentoo Linux: All versions

sys-cluster/ceph: before 17.2.6

CPE2.3 External links

https://security.gentoo.org/glsa/202312-10


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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