SB20250328139 - Anolis OS update for python27:2.7 module
Published: March 28, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 5 secuirty vulnerabilities.
1) Incorrect Regular Expression (CVE-ID: CVE-2022-40897)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient input validation when processing HTML content. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.
2) Use-after-free (CVE-ID: CVE-2022-48560)
The vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to use-after-free exists via heappushpop in heapq. A remote attacker can trigger the vulnerability to perform a denial of service attack.
3) XML External Entity injection (CVE-ID: CVE-2022-48565)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to insufficient validation of user-supplied XML input within the plistlib module. A remote attacker can pass a specially crafted XML code to the affected application and view contents of arbitrary files on the system or initiate requests to external systems.
Successful exploitation of the vulnerability may allow an attacker to view contents of arbitrary file on the server or perform network scanning of internal and external infrastructure.
4) Information disclosure (CVE-ID: CVE-2023-43804)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to urllib does not strip the "Cookie" HTTP header during cross-origin HTTP redirects. A remote attacker can gain unauthorized access to sensitive information.
5) Cross-site scripting (CVE-ID: CVE-2024-22195)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data within the xmlattr filter. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Remediation
Install update from vendor's website.