CVE-2015-9543 : An issue was discovered in OpenStack Nova before 18.2.4, 19.x before 19.1.0, and

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.

Published 2020-02-19 03:15:10

Updated 2020-02-27 19:17:02

Source MITRE

View at NVD, CVE.org

Vulnerability category: Information leak

Products affected by CVE-2015-9543

Openstack » Nova
Versions from including (>=) 20.0.0 and before (<) 20.1.0
cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*
Matching versions
Openstack » Nova
Versions from including (>=) 19.0.0 and before (<) 19.1.0
cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*
Matching versions
Openstack » Nova
Versions before (<) 18.2.4
cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2015-9543

EPSS FAQ

0.05%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 12 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2015-9543

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
2.1	LOW	AV:L/AC:L/Au:N/C:P/I:N/A:N	3.9	2.9	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
3.3	LOW	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	1.8	1.4	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: None Availability: None

CWE ids for CVE-2015-9543

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2015-9543

https://review.opendev.org/220622

Change I5b8fa423: Mask the token used to allow access to consoles | review.opendev Code Review
Third Party Advisory
https://launchpad.net/bugs/1492140

Bug #1492140 “[OSSA-2020-001] Nova can leak consoleauth token in...” : Bugs : OpenStack Compute (nova)
Issue Tracking;Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/02/19/2

oss-security - [OSSA-2020-001] Nova can leak consoleauth token into log files (CVE-2015-9543)
Mailing List;Patch;Third Party Advisory
https://security.openstack.org/ossa/OSSA-2020-001.html

OpenStack Docs: OSSA-2020-001: Nova can leak consoleauth token into log files
Patch;Vendor Advisory

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Vulnerability Details : CVE-2015-9543

Products affected by CVE-2015-9543

Exploit prediction scoring system (EPSS) score for CVE-2015-9543

CVSS scores for CVE-2015-9543

CWE ids for CVE-2015-9543

References for CVE-2015-9543