What is the CVSS score of CVE-2023-50965?

CVE-2023-50965 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.5%.

Is there a public PoC exploit available for CVE-2023-50965?

Yes, a public proof-of-concept exploit is available for CVE-2023-50965. Prioritise patching immediately. EPSS: 1.5%.

Micro Http Server CVE-2023-50965

CRITICAL

Out-of-bounds Write (CWE-787)

2023-12-17 cve@mitre.org

Memory Corruption Buffer Overflow RCE Micro Http Server

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Dec 17, 2023 - 02:15 nvd

CRITICAL 9.8

DescriptionNVD

In MicroHttpServer (aka Micro HTTP Server) through 4398570, _ReadStaticFiles in lib/middleware.c allows a stack-based buffer overflow and potentially remote code execution via a long URI.

AnalysisAI

In MicroHttpServer (aka Micro HTTP Server) through 4398570, _ReadStaticFiles in lib/middleware.c allows a stack-based buffer overflow and potentially remote code execution via a long URI. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. In MicroHttpServer (aka Micro HTTP Server) through 4398570, _ReadStaticFiles in lib/middleware.c allows a stack-based buffer overflow and potentially remote code execution via a long URI. Affected products include: Starnight Micro Http Server. Version information: through 4398570.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).