Important: python27:2.7 security update

Synopsis

Important: python27:2.7 security update

Type/Severity

Security Advisory: Important

Topic

An update for the python27:2.7 module is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Python is an interpreted, interactive, object-oriented programming language that supports modules, classes, exceptions, high-level dynamic data types, and dynamic typing.

SQLAlchemy is an Object Relational Mapper (ORM) that provides a flexible, high-level interface to SQL databases.

Security Fix(es):

• python: Information Disclosure due to urlsplit improper NFKC normalization (CVE-2019-9636)
  
• python-sqlalchemy: SQL Injection when the order_by parameter can be controlled (CVE-2019-7164)
  
• python-sqlalchemy: SQL Injection when the group_by parameter can be controlled (CVE-2019-7548)
  

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux for IBM z Systems 8 s390x
• Red Hat Enterprise Linux for Power, little endian 8 ppc64le
• Red Hat Enterprise Linux for ARM 64 8 aarch64
• Red Hat Enterprise Linux for x86_64 8 x86_64

Fixes

• BZ - 1674059 - CVE-2019-7548 python-sqlalchemy: SQL Injection when the group_by parameter can be controlled
• BZ - 1678520 - CVE-2019-7164 python-sqlalchemy: SQL Injection when the order_by parameter can be controlled
• BZ - 1688543 - CVE-2019-9636 python: Information Disclosure due to urlsplit improper NFKC normalization

CVEs

• CVE-2019-7164
• CVE-2019-7548
• CVE-2019-9636

References

• https://access.redhat.com/security/updates/classification/#important
• https://python-security.readthedocs.io/vuln/urlsplit-nfkc-normalization.html