Adobe Acrobat Reader up to 17.012.30229/20.005.30334/22.001.20142 type confusion

Summaryinfo

A vulnerability marked as critical has been reported in Adobe Acrobat Reader up to 17.012.30229/20.005.30334/22.001.20142. The affected element is an unknown function. This manipulation causes type confusion. This vulnerability is registered as CVE-2022-34221. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Adobe Acrobat Reader up to 17.012.30229/20.005.30334/22.001.20142 (Document Reader Software) and classified as critical. Affected by this vulnerability is an unknown code. 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:

Adobe Acrobat Reader versions 22.001.20142 (and earlier), 20.005.30334 (and earlier) and 17.012.30229 (and earlier) are affected by an Access of Resource Using Incompatible Type ('Type Confusion') vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

The weakness was published 07/15/2022 as apsb22-32. It is possible to read the advisory at helpx.adobe.com. This vulnerability is known as CVE-2022-34221 since 06/21/2022. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/01/2022).

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Document Reader Software

Vendor

• Adobe

Name

• Acrobat Reader

Version

• 17.012.30229
• 20.005.30334
• 22.001.20142

License

• free

Website

• Vendor: https://www.adobe.com/

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