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CVE-2022-40654: ZDI-22-1210

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ansys SpaceClaim 2022 R1. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of X_T files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-18351.

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#vulnerability#rce

September 14th, 2022

(0Day) Ansys SpaceClaim X_T File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability****ZDI-22-1210
ZDI-CAN-18351

CVE ID

CVE-2022-40654

CVSS SCORE

7.8, (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

AFFECTED VENDORS

Ansys

AFFECTED PRODUCTS

SpaceClaim

VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ansys SpaceClaim. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the parsing of X_T files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of the current process.

ADDITIONAL DETAILS

09/06/22 – The ZDI is publishing these cases due to a lack of a formal response to numerous vulnerability reports submitted to the vendor.

– Mitigation: Given the nature of the vulnerability, the only salient mitigation strategy is to restrict interaction with the application.

DISCLOSURE TIMELINE

  • 2022-08-25 - Vulnerability reported to vendor
  • 2022-09-14 - Coordinated public release of advisory

CREDIT

Anonymous

BACK TO ADVISORIES

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