CVE-2020-8631
MEDIUMcloud-init < 19.4 - Use of Insufficiently Random Values in Password Generation
Title source: llmDescription
cloud-init through 19.4 relies on Mersenne Twister for a random password, which makes it easier for attackers to predict passwords, because rand_str in cloudinit/util.py calls the random.choice function.
References (4)
Core 4
Core References
Patch, Third Party Advisory x_refsource_misc
https://github.com/canonical/cloud-init/pull/204
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://bugs.launchpad.net/ubuntu/+source/cloud-init/+bug/1860795
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/02/msg00021.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00042.html
Scores
CVSS v3
5.5
EPSS
0.0044
EPSS Percentile
34.7%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-330
Status
published
Products (3)
canonical/cloud-init
< 19.4
debian/debian_linux
8.0
opensuse/leap
15.1
Published
Feb 05, 2020
Tracked Since
Feb 18, 2026