Buffer overflow in Hancom Office

CVE-2018-5201

Hancom Office 2018 10.0.0.8214 and earlier, Hancom Office NEO 9.6.1.10472 and earlier, Hancom Office 2014 9.1.1.4540 and earlier, Hancom Office 2010 8.5.8.1724 and earlier versions have a heap overflow vulnerability when handling Compound File in document. This result in a program crash or denial of service conditions.

Vulnerability class: Buffer Overflow

EPSS: 0.007 (48.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-5201?
CVE-2018-5201 is a medium-severity vulnerability in Hancom Office, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2018-12-21.
How severe is CVE-2018-5201?
Medium severity. CVSS v3 base score is 5.5 out of 10.