PT-2021-2143 · Adobe · Photoshop

Published 2021-02-09 · Updated 2022-08-19 · CVE-2021-21048

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 a Memory Corruption vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction, where a victim must open a malicious file.

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 use of the affected file parsing functionality until a patch is available.

Fix

Out of bounds Read

Memory Corruption

Access of Memory Location After End of Buffer

Weakness Enumeration

CWE-125

CWE-787

CWE-788

Related Identifiers

BDU:2021-01003

BDU:2021-01004

CVE-2021-21048

ZDI-21-161

Affected Products

Photoshop

References · 9

• https://bdu.fstec.ru/vul/2021-01003 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-21048 · Security Note
• https://bdu.fstec.ru/vul/2021-01004 · Security Note
• https://helpx.adobe.com/security/products/photoshop/apsb21-10.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-21048 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-21-161 · Security Note
• https://t.me/cibsecurity/23510 · Telegram Post
• https://t.me/cvenotify/10069 · Telegram Post
• https://t.me/cvenotify/9819 · Telegram Post