5.5
MEDIUM CVSS 3.1
CVE-2020-8632
AWS Cloud-init Password Guessing Vulnerability
Description

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.

INFO

Published Date :

Feb. 5, 2020, 2:15 p.m.

Last Modified :

Nov. 21, 2024, 5:39 a.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2020-8632 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Debian debian_linux
1 Opensuse leap
1 Canonical cloud-init
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 LOW [email protected]
CVSS 3.1 MEDIUM [email protected]
Solution
Update the cloud-init packages to remediate the password guessing vulnerability.
  • Update cloud-init packages to address the vulnerability.
  • For SUSE, use YaST or zypper for updates.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-8632.

URL Resource
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00042.html Mailing List Third Party Advisory
https://bugs.launchpad.net/ubuntu/+source/cloud-init/+bug/1860795 Issue Tracking Patch Third Party Advisory
https://github.com/canonical/cloud-init/pull/189 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
https://bugs.launchpad.net/ubuntu/+source/cloud-init/+bug/1860795 Issue Tracking Patch Third Party Advisory
https://github.com/canonical/cloud-init/pull/189 Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/02/msg00021.html Mailing List Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-8632 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-8632 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-8632 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00042.html
    Added Reference https://bugs.launchpad.net/ubuntu/+source/cloud-init/+bug/1860795
    Added Reference https://github.com/canonical/cloud-init/pull/189
    Added Reference https://lists.debian.org/debian-lts-announce/2020/02/msg00021.html
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Jan. 01, 2022

    Action Type Old Value New Value
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00042.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00042.html Mailing List, Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/02/msg00021.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/02/msg00021.html Mailing List, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
  • CWE Remap by [email protected]

    Jul. 21, 2021

    Action Type Old Value New Value
    Changed CWE CWE-522 CWE-521
  • CVE Modified by [email protected]

    Mar. 29, 2020

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00042.html [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 21, 2020

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2020/02/msg00021.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Feb. 07, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://bugs.launchpad.net/ubuntu/+source/cloud-init/+bug/1860795 No Types Assigned https://bugs.launchpad.net/ubuntu/+source/cloud-init/+bug/1860795 Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type https://github.com/canonical/cloud-init/pull/189 No Types Assigned https://github.com/canonical/cloud-init/pull/189 Patch, Third Party Advisory
    Added CWE NIST CWE-522
    Added CPE Configuration OR *cpe:2.3:a:canonical:cloud-init:*:*:*:*:*:*:*:* versions up to (including) 19.4
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 5.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 2.1
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.11164

percentile