Improper Initialization Affecting gdm3 package, versions <3.26.0-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIAN10-GDM3-353911
- published27 Jun 2018
- disclosed26 Jul 2018
Introduced: 27 Jun 2018
CVE-2017-12164 (opens in a new tab)How to fix?
Upgrade Debian:10 gdm3 to version 3.26.0-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream gdm3 package and not the gdm3 package as distributed by Debian.
See How to fix? for Debian:10 relevant fixed versions and status.
A flaw was discovered in gdm 3.24.1 where gdm greeter was no longer setting the ran_once boolean during autologin. If autologin was enabled for a victim, an attacker could simply select 'login as another user' to unlock their screen.