CVE-2015-9543 OpenStack Nova can leak consoleauth token into log files
Attackers with log access can steal console authentication tokens, potentially gaining unauthorized access to virtual machine consoles.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-9543?
CVE-2015-9543 is a low-severity vulnerability in n/a, published on 19 Feb 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue was discovered in OpenStack Nova before 18.2.4, 19.x before 19.1.0, and 20.x before 20.1.0. It can leak consoleauth tokens into log files. An attacker with read access to the service's logs may obtain tokens used for console access. All Nova setups using novncproxy are affected. This is related to NovaProxyRequestHandlerBase.new_websocket_client in console/websocketproxy.py.
Weakness: CWE-200
Which versions are affected by CVE-2015-9543?
7 open source packages ship an affected version, including nova and Nova. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
nova PyPI | All versions | 18.2.4, 19.1.0, 20.1.0 |
nova PyPI | All versions | 18.2.4 |
nova PyPI | From 19.0.0 | 19.1.0 |
nova PyPI | From 20.0.0 | 20.1.0 |
Nova PyPI | All versions | 18.2.4 |
Nova PyPI | From 19.0.0 | 19.1.0 |
1 more packages
Nova PyPI | From 20.0.0 | 20.1.0 |
Products include Openstack Nova.
How do I fix CVE-2015-9543?
Upgrade nova to a fixed version for your release line: 18.2.4, 19.1.0 or 20.1.0.
Is CVE-2015-9543 being exploited?
There is no known exploitation of CVE-2015-9543 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2017-7214 OpenStack Nova logs sensitive context from notification exceptions
- CVE-2017-17051 OpenStack Nova DoS by rebuilding the same instance with a new image multiple times
- CVE-2020-17376 OpenStack Nova Live migration fails to update persistent domain XML
- CVE-2017-18191 OpenStack Nova Denial of service attack on the compute host
- CVE-2015-3280 OpenStack Compute (nova) allows remote authenticated users to cause a denial of service
Sources
Also known as DEBIAN-CVE-2015-9543, GHSA-22jm-4hxw-35jf, PYSEC-2026-857, UBUNTU-CVE-2015-9543.