CVE-2023-29313: 
Adobe InDesign vulnerability analysis and mitigation

Adobe InDesign versions ID18.3 (and earlier) and ID17.4.1 (and earlier) are affected by an out-of-bounds read vulnerability identified as CVE-2023-29313. The vulnerability was discovered in March 2023 and publicly disclosed on July 11, 2023. This security flaw affects both Windows and macOS platforms (Fortinet Blog, Adobe Advisory).

The vulnerability is classified as an out-of-bounds read (CWE-125) that occurs specifically when decoding QuarkXPress Drawing 'QXD' files in Adobe InDesign. The issue is caused by a malformed QXD file, which triggers an out-of-bounds memory read due to an improper bounds check. The vulnerability has been assigned a CVSS v3.1 base score of 5.5 (Medium) with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N (NVD, Fortinet Blog).

The vulnerability could lead to disclosure of sensitive memory information. An attacker could leverage this vulnerability to bypass security mitigations such as Address Space Layout Randomization (ASLR). The exploitation requires user interaction, specifically opening a malicious file (NVD).

Adobe has released security patches to address this vulnerability. Users are strongly advised to update to the latest version of Adobe InDesign. Additionally, Fortinet customers are protected through their IPS signature, and FortiEDR detects and prevents the exploitation of this vulnerability (Fortinet Blog, Adobe Advisory).