OpenImageIO 2.4.4.2 ImageOutput Object IFFOutput::close m_spec.format heap-based overflow

Summaryinfo

A vulnerability was found in OpenImageIO 2.4.4.2 and classified as critical. Impacted is the function IFFOutput::close of the component ImageOutput Object Handler. Such manipulation of the argument m_spec.format leads to heap-based overflow. This vulnerability is traded as CVE-2022-43600. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in OpenImageIO 2.4.4.2. It has been rated as critical. Affected by this issue is the function IFFOutput::close of the component ImageOutput Object Handler. The manipulation of the argument m_spec.format with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability. CVE summarizes:

Multiple code execution vulnerabilities exist in the IFFOutput::close() functionality of OpenImageIO Project OpenImageIO v2.4.4.2. A specially crafted ImageOutput Object can lead to a heap buffer overflow. An attacker can provide malicious input to trigger these vulnerabilities.This vulnerability arises when the `xmax` variable is set to 0xFFFF and `m_spec.format` is `TypeDesc::UINT16`

The weakness was shared 12/23/2022 as TALOS-2022-1656. The advisory is shared for download at talosintelligence.com. This vulnerability is handled as CVE-2022-43600 since 10/21/2022. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/22/2023).

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

Name

• OpenImageIO

Version

• 2.4.4.2

License

• open-source

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