Adobe Acrobat Reader up to 20.005.30418/22.003.20281/22.003.20282 integer overflow

Summaryinfo

A vulnerability marked as critical has been reported in Adobe Acrobat Reader up to 20.005.30418/22.003.20281/22.003.20282. This affects an unknown part. The manipulation leads to integer overflow. This vulnerability is uniquely identified as CVE-2023-21579. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Adobe Acrobat Reader up to 20.005.30418/22.003.20281/22.003.20282 (Document Reader Software) and classified as critical. This issue affects an unknown code. The manipulation with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Adobe Acrobat Reader versions 22.003.20282 (and earlier), 22.003.20281 (and earlier) and 20.005.30418 (and earlier) are affected by an Integer Overflow or Wraparound 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 disclosed 01/19/2023 as apsb23-01. The advisory is shared at helpx.adobe.com. The identification of this vulnerability is CVE-2023-21579 since 12/01/2022. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 09/20/2025).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-25746). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Document Reader Software

Vendor

• Adobe

Name

• Acrobat Reader

Version

• 20.005.30418
• 22.003.20281
• 22.003.20282

License

• free

Website

• Vendor: https://www.adobe.com/

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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