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Red Hat: RHSA-2021:0779-01 Critical: Ansible Tower Escalation Risk

red hat
Calendar Grey March 9, 2021
Dist Redhat Esm H88
The latest update for Red Hat Ansible Tower version 3.7.5-1 resolves critical vulnerabilities and includes various patches to improve overall security and stability.
Red Hat Ansible Tower 3.7.5-1 - RHEL7 Container Red Hat Product Security has rated this update as having a security impact of Important

Solution

For information on upgrading Ansible Tower, reference the Ansible Tower Upgrade and Migration Guide: https://legacy-controller-docs.ansible.com/ansible-tower/ index.html

Summary

Security Fix(es):
* Addressed a security issue which can allow a malicious playbook author to elevate to the awx user from outside the isolated environment: CVE-2021-20253 * Upgraded to a more recent version of autobahn to address CVE-2020-35678. * Upgraded to a more recent version of nginx to address CVE-2019-20372.
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.
Bug Fix(es):
* Fixed a bug which can intermittently cause access to encrypted Tower settings to fail, resulting in failed job launches. * Improved analytics collection to collect the playbook status for all hosts in a playbook run

Topics%20covered

Topics Covered

security advisory red hat bug fix security fix important elevation risk container security container Red Hat Ansible Tower ansible tower

References

https://access.redhat.com/security/cve/CVE-2019-20372 https://access.redhat.com/security/cve/CVE-2020-10543 https://access.redhat.com/security/cve/CVE-2020-10878 https://access.redhat.com/security/cve/CVE-2020-12723 https://access.redhat.com/security/cve/CVE-2020-35678 https://access.redhat.com/security/cve/CVE-2021-20178 https://access.redhat.com/security/cve/CVE-2021-20180 https://access.redhat.com/security/cve/CVE-2021-20191 https://access.redhat.com/security/cve/CVE-2021-20228 https://access.redhat.com/security/cve/CVE-2021-20253 https://access.redhat.com/security/updates/classification/#important

Package List


Severity
important
Lowest
Low
Medium
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Critical

Advisory ID: RHSA-2021:0779-01
Product: Red Hat Ansible Tower
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0779
Issue date: 2021-03-09

Topic

Red Hat Ansible Tower 3.7.5-1 - RHEL7 ContainerRed Hat Product Security has rated this update as having a security impactofImportant. 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 red hat bug fix security fix important elevation risk container security container Red Hat Ansible Tower ansible tower

Relevant Releases Architectures

Bugs Fixed

1790277 - CVE-2019-20372 nginx: HTTP request smuggling in configurations with URL redirect used as error_page

1911314 - CVE-2020-35678 python-autobahn: allows redirect header injection

1928847 - CVE-2021-20253 ansible-tower: Privilege escalation via job isolation escape

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