Synopsis
Moderate: python27:2.7 security and bug fix 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.
Security Fix(es):
- numpy: crafted serialized object passed in numpy.load() in pickle python module allows arbitrary code execution (CVE-2019-6446)
- python: CRLF injection via the query part of the url passed to urlopen() (CVE-2019-9740)
- python: CRLF injection via the path part of the url passed to urlopen() (CVE-2019-9947)
- python: Undocumented local_file protocol allows remote attackers to bypass protection mechanisms (CVE-2019-9948)
- 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)
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 8.1 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 - 1667950 - CVE-2019-6446 numpy: crafted serialized object passed in numpy.load() in pickle python module allows arbitrary code execution
- BZ - 1680967 - Rebase python2 to 2.7.16 for compatibility with OpenSSL 1.1.1 and TLS 1.3
- BZ - 1688169 - CVE-2019-9740 python: CRLF injection via the query part of the url passed to urlopen()
- BZ - 1695570 - CVE-2019-9948 python: Undocumented local_file protocol allows remote attackers to bypass protection mechanisms
- BZ - 1695572 - CVE-2019-9947 python: CRLF injection via the path part of the url passed to urlopen()
- 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 - 1700993 - python27 module: Include missing debuginfo files caused by an MBS bug
- BZ - 1702473 - CVE-2019-11324 python-urllib3: Certification mishandle when error should be thrown
- BZ - 1709599 - installing python2-scipy doesn't properly pull in python2-six as a dependency
- BZ - 1718398 - Use RPM built wheels of setuptools and pip in Python's ensurepip
- BZ - 1734126 - With FIPS enabled python2 able to load non-compliant md5 crypto modules
CVEs
References
Vulmon