OpenImageIO 2.4.4.2 ImageOutput DPXOutput::close null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in OpenImageIO 2.4.4.2. This impacts the function DPXOutput::close of the component ImageOutput Handler. Such manipulation leads to null pointer dereference. This vulnerability is uniquely identified as CVE-2022-43593. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in OpenImageIO 2.4.4.2. Affected by this issue is the function DPXOutput::close of the component ImageOutput Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. CVE summarizes:

A denial of service vulnerability exists in the DPXOutput::close() functionality of OpenImageIO Project OpenImageIO v2.4.4.2. A specially crafted ImageOutput Object can lead to null pointer dereference. An attacker can provide malicious input to trigger this vulnerability.

The weakness was disclosed 12/23/2022 as TALOS-2022-1652. The advisory is shared for download at talosintelligence.com. This vulnerability is handled as CVE-2022-43593 since 10/21/2022. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 257942 (Linux Distros Unpatched Vulnerability : CVE-2022-43593), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the vulnerability database at Tenable (257942). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CNA Base Score: 5.9
CNA Vector (Talos): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 257942
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2022-43593

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/21/2022 🔍
12/23/2022 +63 days 🔍
12/23/2022 +0 days 🔍
08/30/2025 +981 days 🔍

Sourcesinfo

Advisory: TALOS-2022-1652
Status: Not defined

CVE: CVE-2022-43593 (🔍)
GCVE (CVE): GCVE-0-2022-43593
GCVE (VulDB): GCVE-100-216632

Entryinfo

Created: 12/23/2022 09:59
Updated: 08/30/2025 09:41
Changes: 12/23/2022 09:59 (39), 01/23/2023 08:41 (21), 08/30/2025 09:41 (17)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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