SB20231019120 - Anolis OS update for python-reportlab
Published: October 19, 2023 Updated: March 29, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) XML injection (CVE-ID: CVE-2019-19450)
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.
2) XML injection (CVE-ID: CVE-2019-17626)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to the affected software does not properly handle user-supplied XML files within the "toColor(eval(arg))" in colors.py. A remote unauthenticated attacker can execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
PoC:
<myroot> <label>hello-world</label> <row1> <html> <span color="open('/tmp/colors_poc.txt','wb').write('hello world!')">abcdef</span> </html> </row1> </myroot>
Remediation
Install update from vendor's website.