Explore top 10 tips to secure your open-source projects now. Read More

×
Alerts This Week
Warning Icon 1 443
Alerts This Week
Warning Icon 1 443

Red Hat Enterprise Linux 7: RHSA-2018:3041 Moderate: Python DoS Issues

red hat
Calendar Grey October 30, 2018
Dist Redhat Esm H88
Red Hat issued a notice regarding a significant python patch that tackles Denial of Service vulnerabilities. Instructions for implementing the correction are included.
An update for python is now available for Red Hat Enterprise Linux 7

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

Summary

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: 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, and other related information, refer to the CVE page(s) listed in the References section.
Red Hat would like to thank the Python security response team for reporting these issues.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.6 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory moderate bug fix DoS Red Hat Enterprise Linux security impact python update

References

https://access.redhat.com/security/cve/CVE-2018-1060 https://access.redhat.com/security/cve/CVE-2018-1061 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.6_release_notes/index

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: python-2.7.5-76.el7.src.rpm
x86_64: python-2.7.5-76.el7.x86_64.rpm python-debuginfo-2.7.5-76.el7.i686.rpm python-debuginfo-2.7.5-76.el7.x86_64.rpm python-libs-2.7.5-76.el7.i686.rpm python-libs-2.7.5-76.el7.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: python-debug-2.7.5-76.el7.x86_64.rpm python-debuginfo-2.7.5-76.el7.x86_64.rpm python-devel-2.7.5-76.el7.x86_64.rpm python-test-2.7.5-76.el7.x86_64.rpm python-tools-2.7.5-76.el7.x86_64.rpm tkinter-2.7.5-76.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source: python-2.7.5-76.el7.src.rpm
x86_64: python-2.7.5-76.el7.x86_64.rpm python-debuginfo-2.7.5-76.el7.i686.rpm python-debuginfo-2.7.5-76.el7.x86_64.rpm python-devel-2.7.5-76.el7.x86_64.rpm python-libs-2.7.5-76.el7.i686.rpm python-libs-2.7.5-76.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
x86_64: python-debug-2.7.5-76.el7.x86_64.rpm python-debuginfo-2.7.5-76.el7.x86_64.rpm python-test-2.7.5-76.el7.x86_64.rpm python-tools-2.7.5-76.el7.x86_64.rpm tkinter-2.7.5-76.el7.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: python-2.7.5-76.el7.src.rpm
ppc64: python-2.7.5-76.el7.ppc64.rpm python-debuginfo-2.7.5-76.el7.ppc.rpm python-debuginfo-2.7.5-76.el7.ppc64.rpm

Read the Full Advisory


Advisory ID: RHSA-2018:3041-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:3041
Issue date: 2018-10-30

Topic

An update for python is now available for Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate bug fix DoS Red Hat Enterprise Linux security impact python update

Relevant Releases Architectures

Red Hat Enterprise Linux Client (v. 7) - x86_64

Red Hat Enterprise Linux Client Optional (v. 7) - x86_64

Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64

Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64

Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Workstation (v. 7) - x86_64

Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, ppc64le, s390x

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, ppc64le, s390x

Bugs Fixed

1549191 - CVE-2018-1060 python: DOS via regular expression catastrophic backtracking in apop() method in pop3lib

1549192 - CVE-2018-1061 python: DOS via regular expression backtracking in difflib.IS_LINE_JUNK method in difflib

1555314 - Don't send IP address as SNI TLS extension

1557460 - python-libs package dosn't provide python2-libs

1579432 - OSError 17 due to _multiprocessing/semaphore.c assuming a one-to-one Pid -> process mapping.

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.