SB2025010641 - Ubuntu update for python2.7
Published: January 6, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 5 secuirty vulnerabilities.
1) 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.
2) 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.
3) Race condition (CVE-ID: CVE-2022-48566)
The vulnerability allows a remote attacker to gain access to sensitive information,
The vulnerability exists due to a race condition in compare_digest in Lib/hmac.py. A remote attacker can exploit the race and gain unauthorized access to sensitive information.
4) Input validation error (CVE-ID: CVE-2023-24329)
The vulnerability allows a remote attacker to bypass implemented filters.
The vulnerability exists due to insufficient validation of URLs that start with blank characters within urllib.parse component of Python. A remote attacker can pass specially crafted URL to bypass existing filters.
5) Cleartext transmission of sensitive information (CVE-ID: CVE-2023-40217)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to an error in ssl.SSLSocket implementation when handling TLS client authentication. A remote attacker can trick the application to send data unencrypted.
Remediation
Install update from vendor's website.