CVE-2021-20001
First published: Fri Feb 11 2022(Updated: )
It was discovered, that debian-edu-config, a set of configuration files used for the Debian Edu blend, before 2.12.16 configured insecure permissions for the user web shares (~/public_html), which could result in privilege escalation.
Credit: security@debian.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/debian-edu-config | 2.10.65+deb10u8 2.11.56+deb11u4 2.11.56+deb11u3 2.12.32 2.12.37 | |
| Debian Edu | <2.12.16 | |
| Debian GNU/Linux | =9.0 | |
| Debian GNU/Linux | =10.0 | |
| Debian GNU/Linux | =11.0 |
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Reference Links
- https://salsa.debian.org/debian-edu/debian-edu-config/-/commit/4d39a5888d193567704238f8c035f8d17cfe34e5
- https://security-tracker.debian.org/tracker/CVE-2021-20001
- https://lists.debian.org/debian-lts-announce/2022/02/msg00012.html
- https://lists.debian.org/debian-security-announce/2022/msg00039.html
- https://www.debian.org/security/2022/dsa-5072
Frequently Asked Questions
What is the severity of CVE-2021-20001?
CVE-2021-20001 has a severity level that allows for privilege escalation due to insecure permissions on user web shares.
How do I fix CVE-2021-20001?
To fix CVE-2021-20001, update debian-edu-config to version 2.12.16 or later.
Which versions of debian-edu-config are affected by CVE-2021-20001?
Versions of debian-edu-config before 2.12.16 are affected by CVE-2021-20001.
What impact does CVE-2021-20001 have on Debian systems?
CVE-2021-20001 can result in unauthorized access to user web shares, leading to potential data exposure.
Is CVE-2021-20001 present in Debian Edu configurations?
Yes, CVE-2021-20001 specifically affects the Debian Edu blend configurations prior to version 2.12.16.
- collector/security-tracker-debian
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/author
- agent/severity
- agent/remedy
- agent/last-modified-date
- agent/weakness
- agent/description
- agent/event
- agent/first-publish-date
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- package-manager/debian
- vendor/skolelinux
- canonical/debian edu
- vendor/debian
- canonical/debian gnu/linux
- version/debian gnu/linux/9.0
- version/debian gnu/linux/10.0
- version/debian gnu/linux/11.0