CVE-2021-45082: Command Injection
First published: Fri Feb 18 2022(Updated: )
An issue was discovered in Cobbler before 3.3.1. In the templar.py file, the function check_for_invalid_imports can allow Cheetah code to import Python modules via the "#from MODULE import" substring. (Only lines beginning with #import are blocked.)
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cobbler Project Cobbler | <3.3.1 | |
| openSUSE Factory | ||
| Opensuse Backports | =sle-15-sp3 | |
| Opensuse Backports | =sle-15-sp4 | |
| SUSE Linux Enterprise Server | =11-sp3 | |
| SUSE Linux Enterprise Server | =12 | |
| SUSE Linux Enterprise Server | =15-sp2 | |
| SUSE Linux Enterprise Server | =15-sp3 | |
| Fedoraproject Fedora | =34 | |
| Fedoraproject Fedora | =35 | |
| Fedoraproject Fedora | =36 | |
| pip/cobbler | <3.3.1 | 3.3.1 |
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Reference Links
- https://bugzilla.suse.com/show_bug.cgi?id=1193678
- https://github.com/cobbler/cobbler/releases
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TEJN7CPW6YCHBFQPFZKGA6AVA6T5NPIW/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z5CSXQE7Q4TVDQJKFYBO4XDH3BZ7BLAR/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZCXMOUW4DH4DYWIJN44SMSU6R3CZDZBE/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z5CSXQE7Q4TVDQJKFYBO4XDH3BZ7BLAR/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TEJN7CPW6YCHBFQPFZKGA6AVA6T5NPIW/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZCXMOUW4DH4DYWIJN44SMSU6R3CZDZBE/
- https://nvd.nist.gov/vuln/detail/CVE-2021-45082
- https://github.com/cobbler/cobbler/pull/2945
- https://github.com/cobbler/cobbler/releases/tag/v3.3.1
- https://github.com/pypa/advisory-database/tree/main/vulns/cobbler/PYSEC-2022-37.yaml
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TEJN7CPW6YCHBFQPFZKGA6AVA6T5NPIW
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z5CSXQE7Q4TVDQJKFYBO4XDH3BZ7BLAR
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZCXMOUW4DH4DYWIJN44SMSU6R3CZDZBE
- https://github.com/advisories/GHSA-6cm4-gm85-972c (Advisory)
Frequently Asked Questions
What is the severity of CVE-2021-45082?
The severity of CVE-2021-45082 is high, with a CVSS score of 7.8.
How does CVE-2021-45082 affect Cobbler?
CVE-2021-45082 affects Cobbler versions up to and including 3.3.1.
How can the vulnerability be exploited?
The vulnerability allows Cheetah code to import Python modules via the "#from MODULE import" substring in the templar.py file of Cobbler.
Is openSUSE Factory affected by CVE-2021-45082?
Yes, openSUSE Factory is affected by CVE-2021-45082.
How can I fix the vulnerability in Cobbler?
To fix the vulnerability, you should upgrade Cobbler to version 3.3.1 or higher.
- agent/type
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/weakness
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- collector/mitre-cve
- source/MITRE
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- source/GitHub
- alias/GHSA-6cm4-gm85-972c
- alias/CVE-2021-45082
- agent/software-canonical-lookup
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- agent/severity
- agent/last-modified-date
- agent/softwarecombine
- agent/description
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- collector/nvd-cve
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- agent/author
- agent/tags
- collector/github-advisory
- vendor/cobbler project
- canonical/cobbler project cobbler
- vendor/opensuse
- canonical/opensuse factory
- canonical/opensuse backports
- version/opensuse backports/sle-15-sp3
- version/opensuse backports/sle-15-sp4
- vendor/suse
- canonical/suse linux enterprise server
- version/suse linux enterprise server/11-sp3
- version/suse linux enterprise server/12
- version/suse linux enterprise server/15-sp2
- version/suse linux enterprise server/15-sp3
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/34
- version/fedoraproject fedora/35
- version/fedoraproject fedora/36
- package-manager/pip