Vulnerability Details : CVE-2020-8632
In cloud-init through 19.4, rand_user_password in cloudinit/config/cc_set_passwords.py has a small default pwlen value, which makes it easier for attackers to guess passwords.
Products affected by CVE-2020-8632
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:cloud-init:*:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-8632
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 12 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-8632
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:P/I:N/A:N |
3.9
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2020-8632
-
The product does not require that users should have strong passwords, which makes it easier for attackers to compromise user accounts.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-8632
-
https://lists.debian.org/debian-lts-announce/2020/02/msg00021.html
[SECURITY] [DLA 2113-1] cloud-init security updateMailing List;Third Party Advisory
-
https://bugs.launchpad.net/ubuntu/+source/cloud-init/+bug/1860795
Bug #1860795 “cc_set_passwords is too short for RANDOM” : Bugs : cloud-init package : UbuntuIssue Tracking;Patch;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00042.html
Mailing List;Third Party Advisory
-
https://github.com/canonical/cloud-init/pull/189
cc_set_password: increase random pwlength from 9 to 20 by raharper · Pull Request #189 · canonical/cloud-init · GitHubPatch;Third Party Advisory
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