Adobe InDesign up to 16.3/16.3.1 BMP File out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Adobe InDesign up to 16.3/16.3.1. Affected by this issue is some unknown functionality of the component BMP File Handler. Executing a manipulation can lead to out-of-bounds write. This vulnerability is registered as CVE-2021-39822. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Adobe InDesign up to 16.3/16.3.1 (Image Processing Software). It has been declared as critical. This vulnerability affects an unknown function of the component BMP File Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Adobe InDesign versions 16.3 (and earlier), and 16.3.1 (and earlier) are affected by an out-of-bounds write 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 BMP file.

The weakness was published 07/20/2023 as apsb21-73. The advisory is shared for download at helpx.adobe.com. This vulnerability was named CVE-2021-39822 since 08/23/2021. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 209411 (Adobe InDesign 16.0.0 < 16.4.0 Multiple Arbitrary code execution (APSB21-73) (macOS)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (209411). Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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): 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 209411
Nessus Name: Adobe InDesign 16.0.0 < 16.4.0 Multiple Arbitrary code execution (APSB21-73) (macOS)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/23/2021 🔍
07/20/2023 +696 days 🔍
07/20/2023 +0 days 🔍
04/24/2025 +644 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: apsb21-73
Status: Confirmed

CVE: CVE-2021-39822 (🔍)
GCVE (CVE): GCVE-0-2021-39822
GCVE (VulDB): GCVE-100-235060

Entryinfo

Created: 07/20/2023 09:52
Updated: 04/24/2025 23:12
Changes: 07/20/2023 09:52 (51), 10/27/2024 05:03 (17), 04/24/2025 23:12 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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