Heap-based buffer overflow in NitroPDF - CVE-2019-5045
Published: October 11, 2019
Vulnerability identifier: #VU21731
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-5045
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists in the PDF parsing functionality due to a boundary error when processing jpeg2000 files with an unusually large "ssizDepth" value in "siz" block of the code stream embedded in a PDF file. A remote attacker can send a specially crafted jpeg2000 file, when opened by a victim, trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
NitroPDF
How to mitigate CVE-2019-5045
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.