1. Ubuntu Security Notices
  2. USN-6063-1

USN-6063-1: Ceph vulnerabilities

Publication date

9 May 2023

Overview

Several security issues were fixed in Ceph.

Releases

Packages

  • ceph - distributed storage and file system

Details

Mark Kirkwood discovered that Ceph incorrectly handled certain key lengths.
An attacker could possibly use this issue to create non-random encryption
keys. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
(CVE-2021-3979)

It was discovered that Ceph incorrectly handled the volumes plugin. An
attacker could possibly use this issue to obtain access to any share. This
issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 22.10.
(CVE-2022-0670)

It was discovered that Ceph incorrectly handled crash dumps. A local
attacker could possibly use this issue to escalate privileges to root. This
issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 22.10.
(CVE-2022-3650)

It was discovered that Ceph incorrectly handled URL processing on RGW
backends. An attacker could possibly use...

Mark Kirkwood discovered that Ceph incorrectly handled certain key lengths.
An attacker could possibly use this issue to create non-random encryption
keys. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
(CVE-2021-3979)

It was discovered that Ceph incorrectly handled the volumes plugin. An
attacker could possibly use this issue to obtain access to any share. This
issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 22.10.
(CVE-2022-0670)

It was discovered that Ceph incorrectly handled crash dumps. A local
attacker could possibly use this issue to escalate privileges to root. This
issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 22.10.
(CVE-2022-3650)

It was discovered that Ceph incorrectly handled URL processing on RGW
backends. An attacker could possibly use this issue to cause RGW to crash,
leading to a denial of service. This issue only affected Ubuntu 22.04 LTS
and Ubuntu 22.10. (CVE-2022-3854)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
22.10 kinetic ceph –  17.2.5-0ubuntu0.22.10.3
ceph-base –  17.2.5-0ubuntu0.22.10.3
ceph-common –  17.2.5-0ubuntu0.22.10.3
22.04 jammy ceph –  17.2.5-0ubuntu0.22.04.3
ceph-base –  17.2.5-0ubuntu0.22.04.3
ceph-common –  17.2.5-0ubuntu0.22.04.3
20.04 focal ceph –  15.2.17-0ubuntu0.20.04.3
ceph-base –  15.2.17-0ubuntu0.20.04.3
ceph-common –  15.2.17-0ubuntu0.20.04.3
18.04 bionic ceph –  12.2.13-0ubuntu0.18.04.11
ceph-base –  12.2.13-0ubuntu0.18.04.11
ceph-common –  12.2.13-0ubuntu0.18.04.11

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References

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