What is CVE-2018-6390?

CVE-2018-6390 is a medium-severity vulnerability in Wps Wps_office, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2018-01-29.

How severe is CVE-2018-6390?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2018-6390 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Wps Wps_office

CVE-2018-6390

The WStr::assign function in kso.dll in Kingsoft WPS Office 10.1.0.7106 and 10.2.0.5978 does not validate the size of the source memory block before an _copy call, which allows remote attackers to cause a denial of service (access violatio…

Vulnerability class: Buffer Overflow

EPSS: 0.011 (61.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Wps Wps_office — versions 10.1.0.7106, 10.2.0.5978
N/a — versions n/a

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-6390?: CVE-2018-6390 is a medium-severity vulnerability in Wps Wps_office, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2018-01-29.
How severe is CVE-2018-6390?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2018-6390 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.