CVE-2023-42073: pdf-xchange pdf-tools Out-of-bounds Read

Vulnerability summary

CVE-2023-42073 is a medium (CVSS 5.5) Out-of-bounds Read vulnerability in pdf-xchange pdf-tools. EPSS estimates a 0.44% chance of exploitation in the next 30 days, higher than 37.4% of scored vulnerabilities.

Timeline

1. 03-05-2024
   PublishedVulnerability first disclosed.
2. 02-08-2024
   Last modifiedVulnerability information updated.

Description

PDF-XChange Editor Doc Object Out-Of-Bounds Read Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information 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 handling of Doc objects. By performing actions in JavaScript, an attacker can trigger a read past the end of an allocated object. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-21323.

• CWE-125Out-of-bounds ReadThe product reads data past the end, or before the beginning, of the intended buffer.