Vulnerability in Kong Lua-Multipart
CVE-2020-36661
A vulnerability was found in Kong lua-multipart 0.5.8-1. It has been declared as problematic. This vulnerability affects the function is_header of the file src/multipart.lua. The manipulation leads to inefficient regular expression complexity. Upgrading to version 0.5.9-1 is able to address this issue. The patch is identified as d632e5df43a2928fd537784a99a79dec288bf01b. It is recommended to upgrade the affected component. VDB-220642 is the identifier assigned to this vulnerability.
Vulnerability class: ReDoS (Regular Expression Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.009 (58.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 58.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Kong Lua-Multipart — versions 0.5.8-1
- Konghq Multipart — versions 0.5.8-1
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, Third Party Advisory)
- github.com/Kong/lua-multipart/pull/34 (issue-tracking, Patch, Issue Tracking)
- github.com/Kong/lua-multipart/commit/d632e5df43a2928fd537784a99a79dec288bf01b (Patch, patch)
- github.com/Kong/lua-multipart/releases/tag/0.5.9-1 (Patch, Release Notes, patch)
Frequently asked questions
- What is CVE-2020-36661?
- CVE-2020-36661 is a low-severity vulnerability in Kong Lua-Multipart, classified under Inefficient Regular Expression Complexity. CVSS score: 3.5/10. Published 2023-02-12.
- How severe is CVE-2020-36661?
- Low severity. CVSS v3 base score is 3.5 out of 10.