CVE Number – CVE-2019-3895
A vulnerability in Red Hat Enterprise Linux OpenStack could allow an unauthenticated, remote attacker to bypass security restrictions on a targeted system.The vulnerability exists in the openstack-tripleo-common service of the affected software. An attacker could exploit this vulnerability by persuading a user to access an arbitrary amphorae image on the targeted system. A successful exploit could allow the attacker to bypass security restrictions on the targeted system.Red Hat has confirmed the vulnerability and released software updates.
- To exploit the vulnerability, the attacker may use misleading language or instructions to persuade a user to access an arbitrary amphorae image on the targeted system.
- Administrators are advised to apply the appropriate updates.
Administrators are advised to allow only trusted users to have network access.
Administrators are advised to use an unprivileged account when browsing the Internet.
Administrators are advised to monitor critical systems.
Users are advised not to open email messages from suspicious or unrecognized sources. If users cannot verify that links or attachments included in email messages are safe, they are advised not to open them.
Users are advised not to visit websites or follow links that have suspicious characteristics or cannot be verified as safe.
- Red Hat has released an official CVE statement and a security advisory for bug 1694608 at the following links: CVE-2019-3895 and RHSA-2019:1683
- Red Hat has released software updates for registered subscribers at the following link: Red Hat Network. Red Hat packages can be updated on Red Hat Enterprise Linux versions 5 and later using the yum tool.
Duncan is a technology professional with over 20 years experience of working in various IT roles. He has a interest in cyber security, and has a wide range of other skills in radio, electronics and telecommunications.