VulnerabilityModified
CVE-2020-8631
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.
MEDIUM 5.5EPSS 0.43%
Does this matter?
Lower severity and a low EPSS score (0.43%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.43% probability · 37th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-330
- Affected
- canonical/cloud-init · opensuse/leap · debian/debian linux
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00042.htmlMailing List, Third Party Advisory
- https://bugs.launchpad.net/ubuntu/+source/cloud-init/+bug/1860795Issue Tracking, Patch, Third Party Advisory
- https://github.com/canonical/cloud-init/pull/204Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/02/msg00021.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00042.htmlMailing List, Third Party Advisory
- https://bugs.launchpad.net/ubuntu/+source/cloud-init/+bug/1860795Issue Tracking, Patch, Third Party Advisory
- https://github.com/canonical/cloud-init/pull/204Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/02/msg00021.htmlMailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.