CVE-2021-27488 Information

Description

Datakit Software libraries CatiaV5_3dRead CatiaV6_3dRead Step3dRead Ug3dReadPsr Jt3dReadPsr modules in KeyShot Versions v10.1 and prior lack proper validation of user-supplied data when parsing CATPart files. This could result in an out-of-bounds write past the end of an allocated structure. An attacker could leverage this vulnerability to execute code in the context of the current process.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://cert-portal.siemens.com/productcert/pdf/ssa-119468.pdf https://www.zerodayinitiative.com/advisories/ZDI-21-563/ https://us-cert.cisa.gov/ics/advisories/icsa-21-145-01

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8