Out-of-bounds read in Foxit PDF Reader for Windows and Foxit PDF Editor (formerly Foxit PhantomPDF) - #VU15047

 

Out-of-bounds read in Foxit PDF Reader for Windows and Foxit PDF Editor (formerly Foxit PhantomPDF) - #VU15047

Published: September 30, 2018


Vulnerability identifier: #VU15047
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to a boundary error when processing Lower () method of a XFA object due to the abnormal data access resulting from the different definition of object character length in WideString and ByteString. A remote attacker can create a specially crafted PDF file, trick the victim into opening it, trigger out-of-bounds read error and gain access to sensitive information.


Affected software

Foxit PDF Reader for Windows
Foxit PDF Editor (formerly Foxit PhantomPDF)

Remediation

Install updates from vendor's website.

Foxit PDF Reader for Windows - update to 9.3
Foxit PDF Editor (formerly Foxit PhantomPDF) - update to 9.3

External References

Related Security Bulletins