PT-2023-11829 · Kong · Kong Lua-Multipart

Published 2023-02-12 · Updated 2024-05-17 · CVE-2020-36661

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Kong lua-multipart version 0.5.8-1

Description A vulnerability was found in the function is header of the file src/multipart.lua. The manipulation leads to inefficient regular expression complexity.

Recommendations For Kong lua-multipart version 0.5.8-1, upgrade to version 0.5.9-1 to address this issue. As a temporary workaround, consider restricting the use of the is header function in the src/multipart.lua file until the patch is applied.

Fix

DoS

Weakness Enumeration

CWE-1333

Related Identifiers

CVE-2020-36661

Affected Products

Kong Lua-Multipart

References · 9

• https://github.com/Kong/lua-multipart/releases/tag/0.5.9-1 · Patch
• https://github.com/Kong/lua-multipart/pull/34 · Patch
• https://github.com/Kong/lua-multipart/commit/d632e5df43a2928fd537784a99a79dec288bf01b · Patch
• https://osv.dev/vulnerability/CVE-2020-36661 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-36661 · Security Note
• https://vuldb.com/?id.220642 · Note
• https://vuldb.com/?ctiid.220642 · Note
• https://t.me/cvenotify/44885 · Telegram Post
• https://t.me/cibsecurity/57980 · Telegram Post