Information disclosure in GNOME Keyring

1) Information disclosure

EUVDB-ID: #VU15992

Risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:U/RC:C]

CVE-ID: CVE-2018-19358

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a local attacker to obtain potentially sensitive information.

The vulnerability exists due to improper use of D-Bus protection mechanisms. A local attacker can execute a program that uses the D-Bus interface and a Secret Service API call to submit malicious input to retrieve login credentials, which could be used to conduct further attacks.

Mitigation

Cybersecurity Help is currently unaware of any solutions addressing the vulnerability.

Vulnerable software versions

GNOME Keyring: 3.0.0 - 3.28.2

External links

http://github.com/sungjungk/keyring_crack
http://gitlab.gnome.org/GNOME/gnome-keyring/issues/5

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.