Authentication Bypass Vulnerability in GDM by GNOME
CVE-2017-12164

4.1MEDIUM

Key Information:

Vendor

Gnome
Status
Gdm
Vendor
CVE Published:
26 July 2018

What is CVE-2017-12164?

A flaw in GDM (GNOME Display Manager) version 3.24.1 allows an attacker to exploit the autologin feature. When autologin is enabled, an attacker could select the 'login as another user' option to bypass the screen lock, potentially gaining unauthorized access to the system. This vulnerability poses a risk for users relying on autologin for convenience. It is vital to ensure appropriate security measures are in place to mitigate such risks.

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Affected Version(s)

gdm 3.24.1

References

https://gitlab.gnome.org/GNOME/gdm/commit/ff98b28
x_refsource_CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12164
x_refsource_CONFIRM

CVSS V3.1

Score:
4.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Physical
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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