SB2019061903 - OpenSUSE Linux update for python

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2019061903

SB2019061903 - OpenSUSE Linux update for python

Published: June 19, 2019

Security Bulletin ID SB2019061903
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Input validation error (CVE-ID: CVE-2019-9636)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to insufficient validation of user-supplied input when processing data in Unicode encoding with an incorrect netloc during NFKC normalization. A remote attacker can gain access to sensitive information.


2) Exposed dangerous method or function (CVE-ID: CVE-2019-9948)

The vulnerability allows a remote attacker to bypass certain security restrictions.

The vulnerability exists due to urllib implementation in Python 2.x supports the local_file: scheme. An attacker with ability to control input data, such as URL, can bypass protection mechanisms that blacklist file: URIs and view contents of arbitrary file on the system.

PoC: 

urllib.urlopen('local_file:///etc/passwd')

Remediation

Install update from vendor's website.

References