XML injection in ReportLab - CVE-2019-19450
Published: October 17, 2023
Vulnerability identifier: #VU82176
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2019-19450
CWE-ID: CWE-91
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: ReportLab, Inc.
Affected software:
ReportLab
ReportLab
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation when processing XML data within the start_unichar() function in paraparser.py. A remote unauthenticated attacker can pass specially crafted XML data to the application and perform arbitrary actions on the system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2019-19450
Install updates from vendor's website.