Adobe Acrobat Reader up to 17.012.30205/20.005.3031x/22.001.20085 PDF File stack-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.9$5k-$25k0.02

A vulnerability was found in Adobe Acrobat Reader up to 17.012.30205/20.005.3031x/22.001.20085 (Document Reader Software) and classified as critical. This issue affects an unknown code of the component PDF File Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-121. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Acrobat Reader DC versions 22.001.20085 (and earlier), 20.005.3031x (and earlier) and 17.012.30205 (and earlier) is affected by a stack-based buffer overflow vulnerability due to insecure processing of a font, potentially resulting in arbitrary code execution in the context of the current user. Exploitation requires user interaction in that a victim must open a crafted .pdf file

The weakness was presented 05/12/2022 as apsb22-16. The advisory is shared at helpx.adobe.com. The identification of this vulnerability is CVE-2022-27791 since 03/23/2022. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful 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 05/14/2022).

Upgrading eliminates this vulnerability.

Productinfoedit

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CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

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

CNA Base Score: 7.8
CNA Vector (Adobe Systems Incorporated): 🔒

CVSSv2infoedit

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

Exploitinginfoedit

Class: Memory corruption
CWE: CWE-121
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

03/23/2022 CVE reserved
05/12/2022 +49 days Advisory disclosed
05/12/2022 +0 days VulDB entry created
05/14/2022 +2 days VulDB last update

Sourcesinfoedit

Vendor: adobe.com

Advisory: apsb22-16
Status: Confirmed

CVE: CVE-2022-27791 (🔒)

Entryinfoedit

Created: 05/12/2022 08:15 AM
Updated: 05/14/2022 08:09 AM
Changes: (1) source_cve_nvd_summary
Complete: 🔍

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