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AUSCERT External Security Bulletin Redistribution
ESB-2022.6544
USN-5776-1: containerd vulnerabilities
16 December 2022
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AusCERT Security Bulletin Summary
---------------------------------
Product: containerd
Publisher: Ubuntu
Operating System: Ubuntu
Resolution: Patch/Upgrade
CVE Names: CVE-2022-31030 CVE-2022-24778 CVE-2022-24769
CVE-2022-23471
Original Bulletin:
https://ubuntu.com/security/notices/USN-5776-1
Comment: CVSS (Max): 7.5 CVE-2022-24778 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
CVSS Source: NVD
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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USN-5776-1: containerd vulnerabilities
13 December 2022
Several security issues were fixed in containerd.
Releases
o Ubuntu 22.10
o Ubuntu 22.04 LTS
o Ubuntu 20.04 LTS
o Ubuntu 18.04 LTS
Packages
o containerd - daemon to control runC
Details
It was discovered that containerd incorrectly handled memory
when receiving certain faulty Exec or ExecSync commands. A remote
attacker could possibly use this issue to cause a denial of service
or crash containerd. ( CVE-2022-23471 , CVE-2022-31030 )
It was discovered that containerd incorrectly set up inheritable file
capabilities. An attacker could possibly use this issue to escalate
privileges inside a container. This issue only affected Ubuntu 18.04 LTS,
Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. ( CVE-2022-24769 )
It was discovered that containerd incorrectly handled access to encrypted
container images when using imgcrypt library. A remote attacker could
possibly use this issue to access encrypted images from other users.
This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and
Ubuntu 22.04 LTS. ( CVE-2022-24778 )
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 22.10
o containerd - 1.6.4-0ubuntu1.1
Ubuntu 22.04
o containerd - 1.5.9-0ubuntu3.1
Ubuntu 20.04
o containerd - 1.5.9-0ubuntu1~20.04.6
Ubuntu 18.04
o containerd - 1.5.9-0ubuntu1~18.04.2
After a standard system update you need to restart containerd to make
all the necessary changes.
References
o CVE-2022-24778
o CVE-2022-24769
o CVE-2022-23471
o CVE-2022-31030
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