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CVE-2018-20781

HIGHCVSS 7.8/10EPSS 1.49%

Last modified

CVE-2018-20781 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In pam/gkr-pam-module.c in GNOME Keyring before 3.27.2, the user's password is kept in a session-child process spawned from the LightDM daemon. This can expose the credential in cleartext.. EPSS estimates a 1.49% chance of exploitation in the next 30 days.

Description

In pam/gkr-pam-module.c in GNOME Keyring before 3.27.2, the user's password is kept in a session-child process spawned from the LightDM daemon. This can expose the credential in cleartext.

Metrics

CVSS 3.1
7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
1.49%

70.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GnomeGnome Keyring< 3.27.2
CanonicalUbuntu Linux14.04
CanonicalUbuntu Linux16.04
OracleZfs Storage Appliance Kit8.8

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-20781?
In pam/gkr-pam-module.c in GNOME Keyring before 3.27.2, the user's password is kept in a session-child process spawned from the LightDM daemon. This can expose the credential in cleartext.
How severe is CVE-2018-20781?
CVE-2018-20781 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.49% probability of exploitation in the next 30 days.
How do I fix CVE-2018-20781?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST