PT-2023-31889 · Unknown · Microhttpserver

Halcy0Nico · Published 2023-12-24 · Updated 2024-01-03 · CVE-2023-51771

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions MicroHttpServer versions through a8ab029

Description The issue allows a one-byte recv buffer overflow via a long URI in the ParseHeader function located in lib/server.c.

Recommendations For versions through a8ab029, consider restricting access to the ParseHeader function in lib/server.c until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2023-51771

Affected Products

Microhttpserver

References · 6

• 🔥 https://github.com/starnight/MicroHttpServer/issues/8 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2023-51771 · Security Note
• https://github.com/starnight/MicroHttpServer/tree/a8ab029c9a26a4c9f26b9d8a2757b8299aaff120 · Note
• https://t.me/cvenotify/65075 · Telegram Post
• https://twitter.com/CVEnew/status/1739147071834198180 · Twitter Post
• https://t.me/cvenotify/66121 · Telegram Post