Issued:
2020-04-07
Updated:
2020-04-07

RHSA-2020:1346 - Security Advisory

Synopsis

Moderate: python security update

Type/Severity

Security Advisory: Moderate

Topic

An update for python is now available for Red Hat Enterprise Linux 7.4 Advanced Update Support, Red Hat Enterprise Linux 7.4 Telco Extended Update Support, and Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions.

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, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems.

Security Fix(es):

  • python: DOS via regular expression backtracking in difflib.IS_LINE_JUNK method in difflib (CVE-2018-1061)
  • python: Missing salt initialization in _elementtree.c module (CVE-2018-14647)
  • 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: DOS via regular expression catastrophic backtracking in apop() method in pop3lib (CVE-2018-1060)

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 Server - AUS 7.4 x86_64
  • Red Hat Enterprise Linux Server - TUS 7.4 x86_64
  • Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 7.4 ppc64le
  • Red Hat Enterprise Linux Server - Update Services for SAP Solutions 7.4 x86_64

Fixes

  • BZ - 1549191 - CVE-2018-1060 python: DOS via regular expression catastrophic backtracking in apop() method in pop3lib
  • BZ - 1549192 - CVE-2018-1061 python: DOS via regular expression backtracking in difflib.IS_LINE_JUNK method in difflib
  • BZ - 1631822 - CVE-2018-14647 python: Missing salt initialization in _elementtree.c module
  • 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()

CVEs

References

Red Hat Enterprise Linux Server - AUS 7.4

SRPM
python-2.7.5-63.el7_4.src.rpm SHA-256: c7c8562d84f937840745f72c311d26675a1fc3cfb2a78bc68e99f473d969e881
x86_64
python-2.7.5-63.el7_4.x86_64.rpm SHA-256: 31748e0f73db3af0f4bf5a5cef9fdeda465b4bbaf7da52c70c6d65a765db7674
python-debug-2.7.5-63.el7_4.x86_64.rpm SHA-256: 04e0f4af9eb4c3e5f0b76f2d82d1a9468c0d463d17488b93dba74fd2d9c94dcb
python-debuginfo-2.7.5-63.el7_4.i686.rpm SHA-256: 21da89db46c093b895f729a86ea6ae822d9166946cb43809e2dbe04266867aa4
python-debuginfo-2.7.5-63.el7_4.x86_64.rpm SHA-256: 1af77ea302a7fb60ce50dc4497df27430f3967930972c70ef422047d41e2c068
python-debuginfo-2.7.5-63.el7_4.x86_64.rpm SHA-256: 1af77ea302a7fb60ce50dc4497df27430f3967930972c70ef422047d41e2c068
python-devel-2.7.5-63.el7_4.x86_64.rpm SHA-256: 3d60ae82f23b55890fa8875909ddf3d3890eef1b83f5201c82301b6077f84a68
python-libs-2.7.5-63.el7_4.i686.rpm SHA-256: c9e58f1205dd93578d5218453e0c9ee6f091e4a9b3df94a07e7c002afa8ba615
python-libs-2.7.5-63.el7_4.x86_64.rpm SHA-256: 13f83a84e82e538e4763995e471b4eddbebacfdffcd95dc848c9fac4eff09ce4
python-test-2.7.5-63.el7_4.x86_64.rpm SHA-256: 8f814b55c43c171013b732f7020e6bc241be8aabe32873951cbcd011a45c569a
python-tools-2.7.5-63.el7_4.x86_64.rpm SHA-256: 69199249a989fd77d41c5e41c6a26e6e8baf4a1f2053e00a671cda5db62e1cc6
tkinter-2.7.5-63.el7_4.x86_64.rpm SHA-256: 057ea01eb05b4edca277106a50d397b9541f23cb5b859e60694af69b0238784d

Red Hat Enterprise Linux Server - TUS 7.4

SRPM
python-2.7.5-63.el7_4.src.rpm SHA-256: c7c8562d84f937840745f72c311d26675a1fc3cfb2a78bc68e99f473d969e881
x86_64
python-2.7.5-63.el7_4.x86_64.rpm SHA-256: 31748e0f73db3af0f4bf5a5cef9fdeda465b4bbaf7da52c70c6d65a765db7674
python-debug-2.7.5-63.el7_4.x86_64.rpm SHA-256: 04e0f4af9eb4c3e5f0b76f2d82d1a9468c0d463d17488b93dba74fd2d9c94dcb
python-debuginfo-2.7.5-63.el7_4.i686.rpm SHA-256: 21da89db46c093b895f729a86ea6ae822d9166946cb43809e2dbe04266867aa4
python-debuginfo-2.7.5-63.el7_4.x86_64.rpm SHA-256: 1af77ea302a7fb60ce50dc4497df27430f3967930972c70ef422047d41e2c068
python-debuginfo-2.7.5-63.el7_4.x86_64.rpm SHA-256: 1af77ea302a7fb60ce50dc4497df27430f3967930972c70ef422047d41e2c068
python-devel-2.7.5-63.el7_4.x86_64.rpm SHA-256: 3d60ae82f23b55890fa8875909ddf3d3890eef1b83f5201c82301b6077f84a68
python-libs-2.7.5-63.el7_4.i686.rpm SHA-256: c9e58f1205dd93578d5218453e0c9ee6f091e4a9b3df94a07e7c002afa8ba615
python-libs-2.7.5-63.el7_4.x86_64.rpm SHA-256: 13f83a84e82e538e4763995e471b4eddbebacfdffcd95dc848c9fac4eff09ce4
python-test-2.7.5-63.el7_4.x86_64.rpm SHA-256: 8f814b55c43c171013b732f7020e6bc241be8aabe32873951cbcd011a45c569a
python-tools-2.7.5-63.el7_4.x86_64.rpm SHA-256: 69199249a989fd77d41c5e41c6a26e6e8baf4a1f2053e00a671cda5db62e1cc6
tkinter-2.7.5-63.el7_4.x86_64.rpm SHA-256: 057ea01eb05b4edca277106a50d397b9541f23cb5b859e60694af69b0238784d

Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 7.4

SRPM
python-2.7.5-63.el7_4.src.rpm SHA-256: c7c8562d84f937840745f72c311d26675a1fc3cfb2a78bc68e99f473d969e881
ppc64le
python-2.7.5-63.el7_4.ppc64le.rpm SHA-256: 3ea79bda31632e5a947cb0dc814d97adf0805abe715f3a357d39144d0e47faa6
python-debug-2.7.5-63.el7_4.ppc64le.rpm SHA-256: 3fa05e493c8f11a43659c3048ce8a3b5ed9b398862c3c747dad7c2976f0df5fa
python-debuginfo-2.7.5-63.el7_4.ppc64le.rpm SHA-256: b90680e3cc81759dc79ceb23fdea8f21d2638580307ee3c5f83a7d103b0368a2
python-debuginfo-2.7.5-63.el7_4.ppc64le.rpm SHA-256: b90680e3cc81759dc79ceb23fdea8f21d2638580307ee3c5f83a7d103b0368a2
python-devel-2.7.5-63.el7_4.ppc64le.rpm SHA-256: 3823c0fc8c530ca17148732fc5de12a5879ec3bf7c1bfe39f196f502bb12c324
python-libs-2.7.5-63.el7_4.ppc64le.rpm SHA-256: d84f14d7916ffd4136309ce4bf695f992cd030c6e2318506654043521095b26c
python-test-2.7.5-63.el7_4.ppc64le.rpm SHA-256: 95bc74893d30a008c67206c619691781aaf65ce13b14d74d82d11cf1be61dc47
python-tools-2.7.5-63.el7_4.ppc64le.rpm SHA-256: 37b5645ba9e361ca19fabe8cb06010ed4a9aeb2a07ef442c42131e72ae24fd9a
tkinter-2.7.5-63.el7_4.ppc64le.rpm SHA-256: 3eb519fb79cc8343e238b8ff52b3d32a8ca1e06db4ebf7edbe19155434a22e8d

Red Hat Enterprise Linux Server - Update Services for SAP Solutions 7.4

SRPM
python-2.7.5-63.el7_4.src.rpm SHA-256: c7c8562d84f937840745f72c311d26675a1fc3cfb2a78bc68e99f473d969e881
x86_64
python-2.7.5-63.el7_4.x86_64.rpm SHA-256: 31748e0f73db3af0f4bf5a5cef9fdeda465b4bbaf7da52c70c6d65a765db7674
python-debug-2.7.5-63.el7_4.x86_64.rpm SHA-256: 04e0f4af9eb4c3e5f0b76f2d82d1a9468c0d463d17488b93dba74fd2d9c94dcb
python-debuginfo-2.7.5-63.el7_4.i686.rpm SHA-256: 21da89db46c093b895f729a86ea6ae822d9166946cb43809e2dbe04266867aa4
python-debuginfo-2.7.5-63.el7_4.x86_64.rpm SHA-256: 1af77ea302a7fb60ce50dc4497df27430f3967930972c70ef422047d41e2c068
python-debuginfo-2.7.5-63.el7_4.x86_64.rpm SHA-256: 1af77ea302a7fb60ce50dc4497df27430f3967930972c70ef422047d41e2c068
python-devel-2.7.5-63.el7_4.x86_64.rpm SHA-256: 3d60ae82f23b55890fa8875909ddf3d3890eef1b83f5201c82301b6077f84a68
python-libs-2.7.5-63.el7_4.i686.rpm SHA-256: c9e58f1205dd93578d5218453e0c9ee6f091e4a9b3df94a07e7c002afa8ba615
python-libs-2.7.5-63.el7_4.x86_64.rpm SHA-256: 13f83a84e82e538e4763995e471b4eddbebacfdffcd95dc848c9fac4eff09ce4
python-test-2.7.5-63.el7_4.x86_64.rpm SHA-256: 8f814b55c43c171013b732f7020e6bc241be8aabe32873951cbcd011a45c569a
python-tools-2.7.5-63.el7_4.x86_64.rpm SHA-256: 69199249a989fd77d41c5e41c6a26e6e8baf4a1f2053e00a671cda5db62e1cc6
tkinter-2.7.5-63.el7_4.x86_64.rpm SHA-256: 057ea01eb05b4edca277106a50d397b9541f23cb5b859e60694af69b0238784d

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