#VU64273 Path traversal in Grafana - CVE-2021-43813
Vulnerability identifier: #VU64273
Vulnerability risk: Low
CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2021-43813
CWE-ID:
CWE-22
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Grafana
Web applications /
Other software
Vendor: Grafana Labs
Description
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Grafana: 7.0.0 - 7.0.6, 7.1.0 - 7.1.5, 7.2.0 - 7.2.3, 7.3.0 - 7.3.10, 7.4.0 - 7.4.5, 7.5.0 - 7.5.11, 8.0.0 - 8.0.7, 8.1.0 - 8.1.8, 8.2.0 - 8.2.7, 8.3.0 - 8.3.1
External links
https://github.com/grafana/grafana/commit/fd48aee61e4328aae8d5303a9efd045fa0ca308d
https://grafana.com/blog/2021/12/10/grafana-8.3.2-and-7.5.12-released-with-moderate-severity-security-fix/
https://github.com/grafana/grafana/security/advisories/GHSA-c3q8-26ph-9g2q
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://github.com/github/securitylab-vulnerabilities/commit/689fc5d9fd665be4d5bba200a6a433b532172d0f
https://www.openwall.com/lists/oss-security/2021/12/10/4
https://security.netapp.com/advisory/ntap-20220107-0006/
https://bugzilla.redhat.com/show_bug.cgi?id=2031228
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
