Buffer overflow in Armcode Arm Whois
CVE-2018-25432
Arm Whois 3.11 contains a buffer overflow vulnerability that allows local attackers to execute arbitrary code by overwriting the structured exception handler. Attackers can craft a malicious input file with a 672-byte offset to overwrite the nSEH and SEH pointers, enabling code execution through exception handler hijacking.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (4.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 4.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Armcode Arm Whois — versions 3.11
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/45907 (exploit)
- www.armcode.com (product)
- www.armcode.com/downloads/arm-whois.exe (product)
- www.vulncheck.com/advisories/arm-whois-buffer-overflow-via-aslr-bypass (third-party-advisory)
Frequently asked questions
- What is CVE-2018-25432?
- CVE-2018-25432 is a high-severity vulnerability in Armcode Arm Whois, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.4/10. Published 2026-06-01.
- How severe is CVE-2018-25432?
- High severity. CVSS v3 base score is 8.4 out of 10.