Heap-based buffer overflow in NitroPDF - CVE-2019-5045
Published: October 11, 2019
Vulnerability identifier: #VU21731
CSH Severity: High
CVSS v4.0: 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/E:U/U:Amber
CVE-ID: CVE-2019-5045
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Nitro Software, Inc.
Affected software:
NitroPDF
NitroPDF
Detailed vulnerability description
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.
How to mitigate CVE-2019-5045
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.