CVE Vulnerability

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

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/Khwarezmia/WPS_POC/tree/master/wps_20180129 Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:wps:wps_office:10.1.0.7106:*:*:*:*:*:*:*
cpe:2.3:a:wps:wps_office:10.2.0.5978:*:*:*:*:*:*:*
Information

Published : 2018-01-29 07:29

Updated : 2021-01-28 03:16

NVD link : CVE-2018-6390

Mitre link : CVE-2018-6390

Products Affected
No products.
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer