Debian update for ceph



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-43040
CWE-ID CWE-285
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 Debian Linux
Operating systems & Components / Operating system

ceph (Debian package)
Operating systems & Components / Operating system package or component

Vendor Debian

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper Authorization

EUVDB-ID: #VU82112

Risk: Medium

CVSSv4.0: 5.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2023-43040

CWE-ID: CWE-285 - Improper Authorization

Exploit availability: Yes

Description

The vulnerability allows a remote user to bypass implemented security restrictions.

The vulnerability exists due to improper authorization in radogw API gateway in Ceph when processing POST requests. A remote unprivileged user can write to any bucket(s) accessible by a given key if a POST form-data contains a key called "bucket" with a value matching the bucket's name used to sign the request.

Mitigation

Update ceph package to version 16.2.15+ds-0+deb12u1.

Vulnerable software versions

Debian Linux: All versions

ceph (Debian package): before 16.2.15+ds-0+deb12u1

CPE2.3 External links

https://lists.debian.org/debian-security-announce/2024/msg00241.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



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