Adobe Acrobat Reader up to 17.011.30204/20.004.30017/21.007.20099 buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.8$5k-$25k0.04

A vulnerability was found in Adobe Acrobat Reader up to 17.011.30204/20.004.30017/21.007.20099 (Document Reader Software). It has been classified as critical. This affects an unknown code block. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-120. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by an Access of Memory Location After End of Buffer vulnerability that could lead to application denial-of-service. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

The weakness was published 01/15/2022 as apsb22-01. The advisory is shared at helpx.adobe.com. This vulnerability is uniquely identified as CVE-2021-44712 since 12/07/2021. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. 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 01/19/2022).

Upgrading eliminates this vulnerability.

Productinfoedit

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CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.5
CNA Vector (Adobe Systems Incorporated): 🔒

CVSSv2infoedit

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

Exploitinginfoedit

Class: Memory corruption
CWE: CWE-120
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

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

Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: helpx.adobe.com

Timelineinfoedit

12/07/2021 CVE assigned
01/15/2022 +39 days Advisory disclosed
01/15/2022 +0 days VulDB entry created
01/19/2022 +4 days VulDB last update

Sourcesinfoedit

Vendor: https://www.adobe.com/

Advisory: apsb22-01
Status: Confirmed

CVE: CVE-2021-44712 (🔒)

Entryinfoedit

Created: 01/15/2022 08:01 AM
Updated: 01/19/2022 12:42 PM
Changes: (1) source_cve_nvd_summary
Complete: 🔍

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