CVE-2024-8836: 
PDF-XChange Editor vulnerability analysis and mitigation

PDF-XChange Editor contains an out-of-bounds read information disclosure vulnerability (CVE-2024-8836) in its TIF file parsing functionality. The vulnerability was discovered by Rocco Calvi and reported through the Zero Day Initiative. The issue affects installations of PDF-XChange Editor versions up to 10.3.0.386 (ZDI Advisory).

The vulnerability stems from insufficient validation of user-supplied data during TIF file parsing, which can result in a read past the end of an allocated object. The issue has been assigned a CVSS v3.1 base score of 5.5 (Medium) by NIST and 3.3 (Low) by Zero Day Initiative, with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N. The vulnerability is classified as CWE-125 (Out-of-bounds Read) (NVD).

This vulnerability allows remote attackers to disclose sensitive information on affected installations of PDF-XChange Editor. An attacker can leverage this vulnerability in conjunction with other vulnerabilities to potentially execute arbitrary code in the context of the current process (ZDI Advisory).

The vulnerability has been fixed in PDF-XChange Editor version 10.3.1.387. Users are advised to upgrade to this version or later to mitigate the risk (ZDI Advisory).