VDB-216635 · CVE-2022-43603 · TALOS-2022-1657

OpenImageIO 2.4.4.2 ImageOutput Object ZfileOutput::close null pointer dereference

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 (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic has been found in OpenImageIO 2.4.4.2. Affected by this issue is the function ZfileOutput::close of the component ImageOutput Object Handler. The manipulation leads to null pointer dereference. This vulnerability is referenced as CVE-2022-43603. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in OpenImageIO 2.4.4.2 and classified as problematic. This issue affects the function ZfileOutput::close of the component ImageOutput Object 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. The summary by CVE is:

A denial of service vulnerability exists in the ZfileOutput::close() functionality of OpenImageIO Project OpenImageIO v2.4.4.2. A specially crafted ImageOutput Object can lead to denial of service. An attacker can provide a malicious file to trigger this vulnerability.

The weakness was published 12/23/2022 as TALOS-2022-1657. It is possible to read the advisory at talosintelligence.com. The identification of this vulnerability is CVE-2022-43603 since 10/21/2022. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

OpenImageIO

Version

2.4.4.2

License

open-source

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

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

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 🔍
01/23/2023 +31 days 🔍

Sourcesinfo

Advisory: TALOS-2022-1657
Status: Not defined

CVE: CVE-2022-43603 (🔍)
GCVE (CVE): GCVE-0-2022-43603
GCVE (VulDB): GCVE-100-216635

Entryinfo

Created: 12/23/2022 10:00
Updated: 01/23/2023 08:47
Changes: 12/23/2022 10:00 (49), 01/23/2023 08:47 (11)
Complete: 🔍
Cache ID: 216::103