Information disclosure in GNOME Keyring - CVE-2018-20781

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Main Vulnerability Database Vulnerabilities #VU17715

Information disclosure in GNOME Keyring - CVE-2018-20781

Published: February 15, 2019 / Updated: September 19, 2022


Vulnerability identifier: #VU17715
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-20781
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a remote root privileged attacker to gain access to potentially sensitive information.

The vulnerability exists due to the LightDM daemon in the affected software stores user passwords in cleartext. A remote attacker can performa memory dump and retrieve login credentials, which can be used to conduct further attacks.


Affected software

GNOME Keyring
gnome-keyring (Ubuntu package)

How to mitigate CVE-2018-20781

Update to version 3.27.2.

GNOME Keyring - update to 3.27.2
gnome-keyring (Ubuntu package) - addressed in versions 3.10.1-1ubuntu4.4, 3.18.3-0ubuntu2.1

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins