CVE-2015-8308 : LXDM before 0.5.2 did not start X server with -auth, which allows local users to

LXDM before 0.5.2 did not start X server with -auth, which allows local users to bypass authentication with X connections.

Published 2017-08-24 20:29:01

Updated 2017-08-30 01:14:48

Source Red Hat, Inc.

View at NVD, CVE.org

Vulnerability category: BypassGain privilege

Products affected by CVE-2015-8308

Lxdm Project » Lxdm
Versions up to, including, (<=) 0.5.1
cpe:2.3:a:lxdm_project:lxdm:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.04%

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

~ 6 %

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

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.6	MEDIUM	AV:L/AC:L/Au:N/C:P/I:P/A:P	3.9	6.4	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
7.8	HIGH	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	1.8	5.9	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-287 Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Assigned by: nvd@nist.gov (Primary)

https://bugzilla.redhat.com/show_bug.cgi?id=1284460

1284460 – (CVE-2015-8308) CVE-2015-8308 lxdm: X server started without -auth, exposing it to connections form any local user
Issue Tracking;Third Party Advisory;VDB Entry
http://www.openwall.com/lists/oss-security/2015/11/20/6

oss-security - Re: LXDM X authentication issues
Mailing List;Third Party Advisory

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