RedHat: RHSA-2021-0779:01 Important: Red Hat Ansible Tower 3.7.5-1 -
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
Summary
Solution
For information on upgrading Ansible Tower, reference the Ansible Tower
Upgrade and Migration Guide:
https://docs.ansible.com/ansible-tower/latest/html/upgrade-migration-guide/
index.html
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
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.
Topic
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