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RedHat: RHSA-2019-1237 Important: Sandbox Escapes in Jinja2

red hat
Calendar Grey May 16, 2019
Dist Redhat Esm H88
Critical patch issued for rh-python35-python-jinja2, classified as Significant, resolving vulnerabilities related to sandbox breaches in Red Hat.
An update for rh-python35-python-jinja2 is now available for Red Hat Software Collections

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 rh-python35-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)
* python-jinja2: str.format_map allows sandbox escape (CVE-2019-10906)
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 important sandbox escape software collections rh-python35-python-jinja2

References

https://access.redhat.com/security/cve/CVE-2016-10745 https://access.redhat.com/security/cve/CVE-2019-10906 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6):
Source: rh-python35-python-jinja2-2.8.1-2.el6.src.rpm
noarch: rh-python35-python-jinja2-2.8.1-2.el6.noarch.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6):
Source: rh-python35-python-jinja2-2.8.1-2.el6.src.rpm
noarch: rh-python35-python-jinja2-2.8.1-2.el6.noarch.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7):
Source: rh-python35-python-jinja2-2.8.1-2.el7.src.rpm
noarch: rh-python35-python-jinja2-2.8.1-2.el7.noarch.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4):
Source: rh-python35-python-jinja2-2.8.1-2.el7.src.rpm
noarch: rh-python35-python-jinja2-2.8.1-2.el7.noarch.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5):
Source: rh-python35-python-jinja2-2.8.1-2.el7.src.rpm
noarch: rh-python35-python-jinja2-2.8.1-2.el7.noarch.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6):
Source: rh-python35-python-jinja2-2.8.1-2.el7.src.rpm
noarch: rh-python35-python-jinja2-2.8.1-2.el7.noarch.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7):
Source: rh-python35-python-jinja2-2.8.1-2.el7.src.rpm
noarch: rh-python35-python-jinja2-2.8.1-2.el7.noarch.rpm


Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:1237-01
Product: Red Hat Software Collections
Advisory URL: https://access.redhat.com/errata/RHSA-2019:1237
Issue date: 2019-05-16

Topic

An update for rh-python35-python-jinja2 is now available for Red HatSoftware Collections.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 important sandbox escape software collections rh-python35-python-jinja2

Relevant Releases Architectures

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) - noarch

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) - noarch

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4) - noarch

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5) - noarch

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) - noarch

Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) - noarch

Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) - noarch

Bugs Fixed

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

1698839 - CVE-2019-10906 python-jinja2: str.format_map allows sandbox escape

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