What is the CVSS score of CVE-2022-43343?

CVE-2022-43343 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 1.1%.

Is there a public PoC exploit available for CVE-2022-43343?

Yes, a public proof-of-concept exploit is available for CVE-2022-43343. Prioritise patching immediately. EPSS: 1.1%.

N Prolog CVE-2022-43343

HIGH

Classic Buffer Overflow (CWE-120)

2022-11-08 cve@mitre.org

Buffer Overflow N Prolog

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Nov 08, 2022 - 15:15 nvd

HIGH 7.5

DescriptionNVD

N-Prolog v1.91 was discovered to contain a global buffer overflow vulnerability in the function gettoken() at Main.c.

AnalysisAI

N-Prolog v1.91 was discovered to contain a global buffer overflow vulnerability in the function gettoken() at Main.c. Rated high severity (CVSS 7.5), 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 Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. N-Prolog v1.91 was discovered to contain a global buffer overflow vulnerability in the function gettoken() at Main.c. Affected products include: N-Prolog Project N-Prolog.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.