CVE-2021-43813: Directory Traversal in Grafana
First published: Fri Dec 10 2021(Updated: )
GitHub Security Labs notified us that there’s a limited directory traversal attack against Grafana 8.3.1 which allows access to '.md' files. During our internal follow-up investigation, we found an attack allowing access to `.csv` files. The vulnerable URL path is: '/api/plugins/.*/markdown/.*'
Credit: security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/grafana | <8.3.2 | 8.3.2 |
| redhat/grafana | <7.5.12 | 7.5.12 |
| redhat/grafana | <0:7.5.11-2.el8 | 0:7.5.11-2.el8 |
| Grafana Grafana | >=5.0.0<7.5.12 | |
| Grafana Grafana | >=8.0.0<8.3.2 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2021/12/10/4
- https://github.com/github/securitylab-vulnerabilities/commit/689fc5d9fd665be4d5bba200a6a433b532172d0f
- https://github.com/grafana/grafana/commit/fd48aee61e4328aae8d5303a9efd045fa0ca308d
- https://github.com/grafana/grafana/security/advisories/GHSA-c3q8-26ph-9g2q
- https://grafana.com/blog/2021/12/10/grafana-8.3.2-and-7.5.12-released-with-moderate-severity-security-fix/
- https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-5-12/
- https://grafana.com/docs/grafana/latest/release-notes/release-notes-8-3-2/
- https://security.netapp.com/advisory/ntap-20220107-0006/
- https://access.redhat.com/errata/RHSA-2022:0056
- https://access.redhat.com/errata/RHSA-2022:1781
- https://access.redhat.com/security/cve/cve-2021-43813
- https://access.redhat.com/errata/RHSA-2022:6024
- https://bugzilla.redhat.com/show_bug.cgi?id=2031228
- https://www.cve.org/CVERecord?id=CVE-2021-43813 https://nvd.nist.gov/vuln/detail/CVE-2021-43813 https://grafana.com/blog/2021/12/10/grafana-8.3.2-and-7.5.12-released-with-moderate-severity-security-fix/
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is CVE-2021-43813?
CVE-2021-43813 is a directory traversal vulnerability in Grafana prior to versions 8.3.2 and 7.5.12.
How severe is CVE-2021-43813?
CVE-2021-43813 has a severity rating of 4.3 (medium).
Which software versions are affected by CVE-2021-43813?
Grafana versions 8.3.2 and 7.5.12, as well as versions earlier than 7.5.12 and between 7.5.12 and 8.3.2, are affected by CVE-2021-43813.
What is the remedy for CVE-2021-43813?
The remedy for CVE-2021-43813 is to upgrade to Grafana version 8.3.2 or 7.5.12, depending on the current version being used.
How can I learn more about CVE-2021-43813?
You can find more information about CVE-2021-43813 at the following references: [CVE-2021-43813 on CVE](https://www.cve.org/CVERecord?id=CVE-2021-43813), [CVE-2021-43813 on NVD](https://nvd.nist.gov/vuln/detail/CVE-2021-43813), [Grafana 8.3.2 and 7.5.12 Release Notes](https://grafana.com/blog/2021/12/10/grafana-8.3.2-and-7.5.12-released-with-moderate-severity-security-fix/), [Bugzilla Red Hat Bug Report](https://bugzilla.redhat.com/show_bug.cgi?id=2031228), [Red Hat Security Advisory](https://access.redhat.com/errata/RHSA-2022:6024).
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