Ansys SpaceClaim 2022 R1 JT File Parser use after free

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Ansys SpaceClaim 2022 R1 and classified as critical. Affected by this issue is some unknown functionality of the component JT File Parser. Executing a manipulation can lead to use after free. This vulnerability is registered as CVE-2022-40637. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability has been found in Ansys SpaceClaim 2022 R1 and classified as critical. This vulnerability affects an unknown code of the component JT File Parser. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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 JT files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-17045.

The weakness was published 09/15/2022 as ZDI-22-1193. The advisory is shared for download at zerodayinitiative.com. This vulnerability was named CVE-2022-40637 since 09/13/2022. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/18/2022).

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.0
CNA Vector (Zero Day Initiative): 🔍

CVSSv2info

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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

09/13/2022 🔍
09/15/2022 +2 days 🔍
09/15/2022 +0 days 🔍
10/18/2022 +33 days 🔍

Sourcesinfo

Advisory: ZDI-22-1193
Status: Not defined

CVE: CVE-2022-40637 (🔍)
GCVE (CVE): GCVE-0-2022-40637
GCVE (VulDB): GCVE-100-208660

Entryinfo

Created: 09/15/2022 21:36
Updated: 10/18/2022 08:51
Changes: 09/15/2022 21:36 (38), 10/18/2022 08:51 (21)
Complete: 🔍
Cache ID: 216::103

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