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CVE-2018-6390

MEDIUM

6.5

CVSS Score

Published: January 29, 2018 at 07:00 PM UTC

Updated: June 17, 2026 at 02:01 AM UTC

1 product affected across 1 vendorWPS Office

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Severity

MEDIUM6.5

Exploit prediction

EPSS 1%

Description

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 violation and application crash) via a crafted (a) web page, (b) office document, or (c) .rtf file.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

WPS Office · Wps

95%

10.1.0.7106 10.2.0.5978

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCExploitThird Party Advisory

Source: [email protected]

https://github.com/Khwarezmia/WPS_POC/tree/master/wps_20180129

CVSS

6.5MEDIUM[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: REQUIRED
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-119

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