Advisory Details

January 18th, 2023

Adobe InDesign Font Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

CVE ID	CVE-2023-21590
CVSS SCORE	7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS	Adobe
AFFECTED PRODUCTS	InDesign
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on affected installations of Adobe InDesign. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the processing of embedded fonts. Crafted data in a font can trigger a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
ADDITIONAL DETAILS	Adobe has issued an update to correct this vulnerability. More details can be found at: https://helpx.adobe.com/security/products/indesign/apsb23-07.html
DISCLOSURE TIMELINE	2022-10-28 - Vulnerability reported to vendor 2023-01-18 - Coordinated public release of advisory
CREDIT	Mat Powell of Trend Micro Zero Day Initiative

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