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RedHat: RHSA-2019-1329-01 Important: Jinja2 Sandbox Escape

red hat
Calendar Grey June 4, 2019
Dist Redhat Esm H88
A significant safety notice regarding rh-python36-python-jinja2 highlights a severe vulnerability related to sandbox bypass.
An update for rh-python36-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 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: 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 redhat sandbox escape python-jinja2 str.format_map

References

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-python36-python-jinja2-2.9.6-3.el6.src.rpm
noarch: rh-python36-python-jinja2-2.9.6-3.el6.noarch.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6):
Source: rh-python36-python-jinja2-2.9.6-3.el6.src.rpm
noarch: rh-python36-python-jinja2-2.9.6-3.el6.noarch.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7):
Source: rh-python36-python-jinja2-2.9.6-3.el7.src.rpm
noarch: rh-python36-python-jinja2-2.9.6-3.el7.noarch.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7):
Source: rh-python36-python-jinja2-2.9.6-3.el7.src.rpm
noarch: rh-python36-python-jinja2-2.9.6-3.el7.noarch.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4):
Source: rh-python36-python-jinja2-2.9.6-3.el7.src.rpm
noarch: rh-python36-python-jinja2-2.9.6-3.el7.noarch.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5):
Source: rh-python36-python-jinja2-2.9.6-3.el7.src.rpm
noarch: rh-python36-python-jinja2-2.9.6-3.el7.noarch.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6):
Source: rh-python36-python-jinja2-2.9.6-3.el7.src.rpm
noarch: rh-python36-python-jinja2-2.9.6-3.el7.noarch.rpm


Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:1329-01
Product: Red Hat Software Collections
Advisory URL: https://access.redhat.com/errata/RHSA-2019:1329
Issue date: 2019-06-04

Topic

An update for rh-python36-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 redhat sandbox escape python-jinja2 str.format_map

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

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

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