Kingsoft WPS Office 10.1.0.7106/10.2.0.5978 kso.dll WStr::assign memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Kingsoft WPS Office 10.1.0.7106/10.2.0.5978. This affects the function WStr::assign in the library kso.dll. Executing a manipulation can lead to memory corruption. This vulnerability is tracked as CVE-2018-6390. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Kingsoft WPS Office 10.1.0.7106/10.2.0.5978 (Office Suite Software). It has been declared as problematic. This vulnerability affects the function WStr::assign in the library kso.dll. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect availability. CVE summarizes:

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.

The bug was discovered 01/29/2018. The weakness was disclosed 01/29/2018 (Website). The advisory is available at github.com. This vulnerability was named CVE-2018-6390 since 01/29/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/29/2018 🔍
01/29/2018 +0 days 🔍
01/29/2018 +0 days 🔍
01/29/2018 +0 days 🔍
01/30/2018 +1 days 🔍
12/31/2019 +700 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2018-6390 (🔍)
GCVE (CVE): GCVE-0-2018-6390
GCVE (VulDB): GCVE-100-112642

Entryinfo

Created: 01/30/2018 08:08
Updated: 12/31/2019 11:59
Changes: 01/30/2018 08:08 (57), 12/31/2019 11:59 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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