CVE-2020-16125 (GCVE-0-2020-16125)

Vulnerability from cvelistv5 – Published: 2020-11-10 04:20 – Updated: 2024-09-17 03:59
VLAI
Title
gdm3 would start gnome-initial-setup if it cannot contact accountservice
Summary
gdm3 versions before 3.36.2 or 3.38.2 would start gnome-initial-setup if gdm3 can't contact the accountservice service via dbus in a timely manner; on Ubuntu (and potentially derivatives) this could be be chained with an additional issue that could allow a local user to create a new privileged account.
Severity
7.2 (High)
CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
CWE
  • CWE-754 - Improper Check for Unusual or Exceptional Conditions
Assigner
canonical CNA under the mitre root
CNA scorecard B 82/100 over 58 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Gnome GDM3 Affected: 3.36 , < 3.36.4 (custom)
Affected: 3.38 , < 3.38.2 (custom)
guessed Create a notification for this product.
Date Public
2020-11-06 00:00
Credits
Kevin Backhouse
Show details on NVD website
To clipboard 

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Tags
Taxonomy of the tags.




Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON

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    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.