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.

CVSS v3.0 5.5 MEDIUM
CVSS v2.0 2.1 LOW

5.5^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

Vector : AV:L/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://github.com/canonical/cloud-init/pull/204	Patch Third Party Advisory
https://bugs.launchpad.net/ubuntu/+source/cloud-init/+bug/1860795	Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/02/msg00021.html	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00042.html	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:canonical:cloud-init:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

Configuration 3 (hide)

cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

Information

Published : 2020-02-05 06:15

Updated : 2021-12-22 10:18

NVD link : CVE-2020-8631

Mitre link : CVE-2020-8631

JSON object : View

CWE

CWE-330

Use of Insufficiently Random Values

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Products Affected

debian

debian_linux

opensuse

leap

canonical

cloud-init

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