CVE-2024-27327: pdf-xchange pdf-tools Out-of-bounds Write

Vulnerability summary

CVE-2024-27327 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in pdf-xchange pdf-tools. EPSS estimates a 0.42% chance of exploitation in the next 30 days, higher than 34.9% of scored vulnerabilities.

Timeline

1. 01-04-2024
   PublishedVulnerability first disclosed.
2. 02-08-2024
   Last modifiedVulnerability information updated.

Description

PDF-XChange Editor PDF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of PDF-XChange Editor. 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 parsing of PDF files. The issue results from the lack of proper validation of user-supplied data, which can result in 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. Was ZDI-CAN-22277.

• CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.