CVE-2023-51387

Public Exploit
Expression Injection Vulnerability in Hertzbeat

Description

Hertzbeat is an open source, real-time monitoring system. Hertzbeat uses aviatorscript to evaluate alert expressions. The alert expressions are supposed to be some simple expressions. However, due to improper sanitization for alert expressions in version prior to 1.4.1, a malicious user can use a crafted alert expression to execute any command on hertzbeat server. A malicious user who has access to alert define function can execute any command in hertzbeat instance. This issue is fixed in version 1.4.1.

Category

7.2
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.34%
Vendor Advisory github.com
Affected: dromara hertzbeat
Published at:
Updated at:

References

Link Tags
https://github.com/dromara/hertzbeat/security/advisories/GHSA-4576-m8px-w9qj vendor advisory exploit
https://github.com/dromara/hertzbeat/commit/8dcf050e27ca95d15460a7ba98a3df8a9cd1d3d2 patch
https://github.com/dromara/hertzbeat/blob/6b599495763120ad1df6f4ed4b6713bb4885d8e2/home/blog/2023-09-26-hertzbeat-v1.4.1.md release notes

Frequently Asked Questions

What is the severity of CVE-2023-51387?
CVE-2023-51387 has been scored as a high severity vulnerability.
How to fix CVE-2023-51387?
To fix CVE-2023-51387, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-51387 being actively exploited in the wild?
It is possible that CVE-2023-51387 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-51387?
CVE-2023-51387 affects dromara hertzbeat.
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