CVE-2023-4540
Improper Handling of Exceptional Conditions vulnerability in Daurnimator lua-http library allows Excessive Allocation and a denial of service (DoS) attack to be executed by sending a properly crafted request to the server.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.09%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Improper Handling of Exceptional Conditions vulnerability in Daurnimator lua-http library allows Excessive Allocation and a denial of service (DoS) attack to be executed by sending a properly crafted request to the server. Such a request causes the program to enter an infinite loop. This issue affects lua-http: all versions before commit ddab283.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.09% probability · 63th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-755
- Affected
- daurnimator/lua-http
- Source
- cvd@cert.pl
References
- https://cert.pl/en/posts/2023/09/CVE-2023-4540/
- https://cert.pl/posts/2023/09/CVE-2023-4540/Patch, Third Party Advisory
- https://github.com/daurnimator/lua-http/commit/ddab2835c583d45dec62680ca8d3cbde55e0bae6Patch
- https://cert.pl/posts/2023/09/CVE-2023-4540/Patch, Third Party Advisory
- https://github.com/daurnimator/lua-http/commit/ddab2835c583d45dec62680ca8d3cbde55e0bae6Patch
- https://https://cert.pl/en/posts/2023/09/CVE-2023-4540/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.