Ashlar-Vellum Cobalt AR File Parser type confusion

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Ashlar-Vellum Cobalt. This affects an unknown function of the component AR File Parser. This manipulation causes type confusion. This vulnerability appears as CVE-2023-42105. The attack requires local access. There is no available exploit.

Detailsinfo

A vulnerability classified as critical was found in Ashlar-Vellum Cobalt (affected version not known). Affected by this vulnerability is some unknown functionality of the component AR File Parser. The manipulation with an unknown input leads to a type confusion vulnerability. The CWE definition for the vulnerability is CWE-843. The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Ashlar-Vellum Cobalt AR File Parsing Type Confusion Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ashlar-Vellum Cobalt. 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 AR files. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this vulnerability to execute code in the context of the current process. . Was ZDI-CAN-20562.

The weakness was presented 09/22/2023 as ZDI-23-1454. The advisory is shared at zerodayinitiative.com. This vulnerability is known as CVE-2023-42105 since 09/06/2023. Neither technical details nor an exploit are publicly available.

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

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

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.0
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.0
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Type confusion
CWE: CWE-843
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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

09/06/2023 🔍
09/22/2023 +16 days 🔍
09/22/2023 +0 days 🔍
07/08/2025 +655 days 🔍

Sourcesinfo

Advisory: ZDI-23-1454
Status: Not defined

CVE: CVE-2023-42105 (🔍)
GCVE (CVE): GCVE-0-2023-42105
GCVE (VulDB): GCVE-100-240193

Entryinfo

Created: 09/22/2023 08:10
Updated: 07/08/2025 18:32
Changes: 09/22/2023 08:10 (36), 09/19/2024 11:45 (27), 07/08/2025 18:32 (11)
Complete: 🔍
Cache ID: 216::103

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

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