CVE-2018-25423

MEDIUM 6.2

Arm Whois 3.11 Denial of Service via Buffer Overflow

CVSS Score

6.2

EPSS Score

0.0%

EPSS Percentile

2th

Arm Whois 3.11 contains a buffer overflow vulnerability that allows local attackers to crash the application by supplying an oversized input string. Attackers can paste a malicious buffer of 700 bytes into the IP address or domain input field to trigger a denial of service condition.

CWE	CWE-120
Vendor	armcode
Product	arm whois
Published	May 30, 2026
Last Updated	Jun 1, 2026

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CVSS v3 Breakdown

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

Armcode / Arm Whois

3.11

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/45762 armcode.com: http://www.armcode.com/ armcode.com: http://www.armcode.com/downloads/arm-whois.exe vulncheck.com: https://www.vulncheck.com/advisories/arm-whois-denial-of-service-via-buffer-overflow

Credits

Yair Rodríguez Aparicio