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Vulnerability of GNOME Keyring: information disclosure via PAM Module Login Credentials

Synthesis of the vulnerability 

An attacker can bypass access restrictions to data via PAM Module Login Credentials of GNOME Keyring, in order to obtain sensitive information.
Impacted systems: Solaris, Ubuntu.
Severity of this alert: 1/4.
Creation date: 26/02/2019.
Références of this alert: bulletinoct2020, CVE-2018-20781, USN-3894-1, VIGILANCE-VUL-28601.

Description of the vulnerability 

An attacker can bypass access restrictions to data via PAM Module Login Credentials of GNOME Keyring, in order to obtain sensitive information.
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This computer vulnerability bulletin impacts software or systems such as Solaris, Ubuntu.

Our Vigil@nce team determined that the severity of this vulnerability bulletin is low.

The trust level is of type confirmed by the editor, with an origin of user shell.

An attacker with a expert ability can exploit this threat note.

Solutions for this threat 

Oracle Solaris: patch for third party software of October 2020 v2.
A patch is available:
  https://support.oracle.com/rs?type=doc&id=1448883.1

Ubuntu: new gnome-keyring packages.
New packages are available:
  Ubuntu 16.04 LTS: gnome-keyring 3.18.3-0ubuntu2.1
  Ubuntu 14.04 LTS: gnome-keyring 3.10.1-1ubuntu4.4
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