PT-2021-2142 · Adobe · Photoshop

Published 2021-02-09 · Updated 2021-09-08 · CVE-2021-21047

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Adobe Photoshop versions 21.2.4 and earlier Adobe Photoshop versions 22.1.1 and earlier

Description The issue is related to an out-of-bounds write vulnerability in Adobe Photoshop, which can be exploited by an unauthenticated attacker to achieve arbitrary code execution in the context of the current user. This requires user interaction, where a victim must open a malicious file. The vulnerability is associated with the recording of data beyond the boundaries of a buffer in memory.

Recommendations For Adobe Photoshop versions 21.2.4 and earlier, update to a version later than 21.2.4 to resolve the issue. For Adobe Photoshop versions 22.1.1 and earlier, update to a version later than 22.1.1 to resolve the issue. As a temporary workaround, consider avoiding the opening of files from untrusted sources to minimize the risk of exploitation.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

BDU:2021-01002

CVE-2021-21047

ZDI-21-160

Affected Products

Photoshop

References · 8

• https://osv.dev/vulnerability/CVE-2021-21047 · Vendor Advisory
• https://helpx.adobe.com/security/products/photoshop/apsb21-10.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-21047 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-21-160 · Security Note
• https://bdu.fstec.ru/vul/2021-01002 · Security Note
• https://t.me/cvenotify/10070 · Telegram Post
• https://t.me/cibsecurity/23513 · Telegram Post
• https://t.me/cvenotify/9825 · Telegram Post