CVE-2019-17134 OpenStack Octavia Amphora-Agent not requiring Client-Certificate

What is CVE-2019-17134?

CVE-2019-17134 is a critical authentication bypass vulnerability in Canonical Ubuntu Linux, published on 8 Oct 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Amphora Images in OpenStack Octavia >=0.10.0 <2.1.2, >=3.0.0 <3.2.0, >=4.0.0 <4.1.0 allows anyone with access to the management network to bypass client-certificate based authentication and retrieve information or issue configuration commands via simple HTTP requests to the Agent on port https/9443, because the cmd/agent.py gunicorn cert_reqs option is True but is supposed to be ssl.CERT_REQUIRED.

Weakness: CWE-287

Which versions are affected by CVE-2019-17134?

7 open source packages ship an affected version, including octavia. It affects 2 products.

Products include Canonical Ubuntu Linux, Opendev Octavia.

How do I fix CVE-2019-17134?

Upgrade octavia to a fixed version for your release line: 2.1.2, 3.2.0 or 4.1.0.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2019-17134 being exploited?

There is no known exploitation of CVE-2019-17134 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2019-17134, GHSA-r4v4-3jj7-jc29, PYSEC-2026-433, RHSA-2019:3743, RHSA-2019:3788, RHSA-2020:0721.