Ansys SpaceClaim 2022 R1 X_B File Parser use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Ansys SpaceClaim 2022 R1. It has been classified as critical. This affects an unknown part of the component X_B File Parser. The manipulation leads to use after free. This vulnerability is documented as CVE-2022-40638. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Ansys SpaceClaim 2022 R1 and classified as critical. This issue affects an unknown code block of the component X_B File Parser. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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_B 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-17102.

The weakness was released 09/15/2022 as ZDI-22-1194. The advisory is shared at zerodayinitiative.com. The identification of this vulnerability is CVE-2022-40638 since 09/13/2022. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/15/2022).

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

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.8
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 🔍
09/15/2022 +0 days 🔍

Sourcesinfo

Advisory: ZDI-22-1194
Status: Not defined

CVE: CVE-2022-40638 (🔍)
GCVE (CVE): GCVE-0-2022-40638
GCVE (VulDB): GCVE-100-208661

Entryinfo

Created: 09/15/2022 21:38
Changes: 09/15/2022 21:38 (48)
Complete: 🔍
Cache ID: 216::103

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