Published advisory · ZDI-22-1387
PDF-XChange Editor TIF File Parsing Untrusted Pointer Dereference Remote Code Execution Vulnerability
CVSS severity
7.8/ 10.0 · High
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HVulnerability analysis
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 TIF files. The issue results from the lack of proper validation of a user-supplied value prior to dereferencing it as a pointer. An attacker can leverage this vulnerability to execute code in the context of the current process.
Disclosure timeline
- Vulnerability reported to vendor
- Coordinated public release of advisory
References