Synopsis
Moderate: python27:2.7 security, bug fix, and enhancement update
Type/Severity
Security Advisory: Moderate
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 Moderate. 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. The python27 packages provide a stable release of Python 2.7 with a number of additional utilities and database connectors for MySQL and PostgreSQL.
The following packages have been upgraded to a later upstream version: python2 (2.7.17). (BZ#1759944)
Security Fix(es):
- python-urllib3: Cross-host redirect does not remove Authorization header allow for credential exposure (CVE-2018-20060)
- python: Cookie domain check returns incorrect results (CVE-2018-20852)
- python-urllib3: CRLF injection due to not encoding the '\r\n' sequence leading to possible attack on internal service (CVE-2019-11236)
- python-urllib3: Certification mishandle when error should be thrown (CVE-2019-11324)
- python: email.utils.parseaddr wrongly parses email addresses (CVE-2019-16056)
- python-requests: Redirect from HTTPS to HTTP does not remove Authorization header (CVE-2018-18074)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.2 Release Notes linked from 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 x86_64 8 x86_64
-
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
Fixes
- BZ - 1643829 - CVE-2018-18074 python-requests: Redirect from HTTPS to HTTP does not remove Authorization header
- BZ - 1649153 - CVE-2018-20060 python-urllib3: Cross-host redirect does not remove Authorization header allow for credential exposure
- BZ - 1659551 - python-virtualenv bundles pip and pip is using bundled requests and a bundled root certificate
- BZ - 1700824 - CVE-2019-11236 python-urllib3: CRLF injection due to not encoding the '\r\n' sequence leading to possible attack on internal service
- BZ - 1702473 - CVE-2019-11324 python-urllib3: Certification mishandle when error should be thrown
- BZ - 1740347 - CVE-2018-20852 python: Cookie domain check returns incorrect results
- BZ - 1749839 - CVE-2019-16056 python: email.utils.parseaddr wrongly parses email addresses
- BZ - 1762422 - The fix CVE-2018-18074 leads to a regression
CVEs
References
Vulmon