CVE-2024-48916

Publication date 3 December 2024

Last updated 4 August 2025


Ubuntu priority

Cvss 3 Severity Score

8.1 · High

Score breakdown

Ceph is a distributed object, block, and file storage platform. In versions 19.2.3 and below, it is possible to send an JWT that has "none" as JWT alg. And by doing so the JWT signature is not checked. The vulnerability is most likely in the RadosGW OIDC provider. As of time of publication, a known patched version has yet to be published.

Read the notes from the security team

Status

Package Ubuntu Release Status
ceph 25.04 plucky
Fixed 19.2.0-0ubuntu6
24.10 oracular
Fixed 19.2.0-0ubuntu2.1
24.04 LTS noble
Fixed 19.2.0-0ubuntu0.24.04.2
22.04 LTS jammy
Fixed 17.2.7-0ubuntu0.22.04.2
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected

Notes


mdeslaur

Per Debian, was introduced by the following commit in 16.1.0: https://github.com/ceph/ceph/commit/7566664f89be062e0c9f3519dc60b94c8af5e2a4

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
ceph

Severity score breakdown

Parameter Value
Base score 8.1 · High
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

References

Related Ubuntu Security Notices (USN)

Other references