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RedHat: RHSA-2019-4062-01 Important: python-jinja2 Sandbox Escape

red hat
Calendar Grey December 3, 2019
Dist Redhat Esm H88
A crucial patch for python-jinja2 has been released to tackle significant vulnerabilities for users of Red Hat Enterprise Linux, providing targeted resolutions.
An update for python-jinja2 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 Enter...

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

For the update to take effect, all applications using Jinja2 must be restarted.

Summary

The python-jinja2 package contains Jinja2, a template engine written in pure Python. Jinja2 provides a Django inspired non-XML syntax but supports inline expressions and an optional sandboxed environment.
Security Fix(es):
* python-jinja2: Sandbox escape due to information disclosure via str.format (CVE-2016-10745)
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.

Topics%20covered

Topics Covered

security advisory Red Hat Enterprise Linux security impact information disclosure sandbox escape python-jinja2

References

https://access.redhat.com/security/cve/CVE-2016-10745 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux Server AUS (v. 7.4):
Source: python-jinja2-2.7.2-3.el7_4.src.rpm
noarch: python-jinja2-2.7.2-3.el7_4.noarch.rpm
Red Hat Enterprise Linux Server E4S (v. 7.4):
Source: python-jinja2-2.7.2-3.el7_4.src.rpm
noarch: python-jinja2-2.7.2-3.el7_4.noarch.rpm
Red Hat Enterprise Linux Server TUS (v. 7.4):
Source: python-jinja2-2.7.2-3.el7_4.src.rpm
noarch: python-jinja2-2.7.2-3.el7_4.noarch.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:4062-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:4062
Issue date: 2019-12-03

Topic

An update for python-jinja2 is now available for Red Hat Enterprise Linux7.4 Advanced Update Support, Red Hat Enterprise Linux 7.4 Telco ExtendedUpdate Support, and Red Hat Enterprise Linux 7.4 Update Services for SAPSolutions.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat Enterprise Linux security impact information disclosure sandbox escape python-jinja2

Relevant Releases Architectures

Red Hat Enterprise Linux Server AUS (v. 7.4) - noarch

Red Hat Enterprise Linux Server E4S (v. 7.4) - noarch

Red Hat Enterprise Linux Server TUS (v. 7.4) - noarch

Bugs Fixed

1698345 - CVE-2016-10745 python-jinja2: Sandbox escape due to information disclosure via str.format

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