Kingsoft WPS Office 12.1.0.18276 on Windows Digital Signature ksojscore.dll signature verification

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability has been found in Kingsoft WPS Office 12.1.0.18276 on Windows and classified as problematic. This affects an unknown part in the library ksojscore.dll of the component Digital Signature Handler. The manipulation leads to signature verification. This vulnerability is listed as CVE-2024-11957. The attack must be carried out locally. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Kingsoft WPS Office 12.1.0.18276 on Windows and classified as problematic. This issue affects an unknown part in the library ksojscore.dll of the component Digital Signature Handler. The manipulation with an unknown input leads to a signature verification vulnerability. Using CWE to declare the problem leads to CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Improper verification of the digital signature in ksojscore.dll in Kingsoft WPS Office in versions equal or less than 12.1.0.18276 on Windows allows an attacker to load an arbitrary Windows library. The patch released in version 12.2.0.16909 to mitigate CVE-2024-7262 was not restrictive enough.

The advisory is shared at welivesecurity.com. The identification of this vulnerability is CVE-2024-11957 since 11/28/2024. The exploitation is known to be easy. An attack has to be approached locally. Technical details are known, but no exploit is available.

Upgrading to version 12.2.0.16909 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Signature verification
CWE: CWE-347 / CWE-345
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: WPS Office 12.2.0.16909

Timelineinfo

11/28/2024 🔍
03/04/2025 +96 days 🔍
03/04/2025 +0 days 🔍
03/04/2025 +0 days 🔍

Sourcesinfo

Advisory: welivesecurity.com
Status: Confirmed

CVE: CVE-2024-11957 (🔍)
GCVE (CVE): GCVE-0-2024-11957
GCVE (VulDB): GCVE-100-298553

Entryinfo

Created: 03/04/2025 17:02
Changes: 03/04/2025 17:02 (69)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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