Use-after-free in NitroPDF - CVE-2019-5047

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Main Vulnerability Database Vulnerabilities #VU21727

Use-after-free in NitroPDF - CVE-2019-5047

Published: October 11, 2019


Vulnerability identifier: #VU21727
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-5047
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Nitro Software, Inc.
Affected software:
NitroPDF

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the "CharProcs" parsing functionality. A remote attacker can send a specially crafted PDF, cause a type confusion, resulting in a Use After Free and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


How to mitigate CVE-2019-5047

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources