CVE-2018-20781
"GNOME Keyring PAM Exposable Password Leak"
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.
INFO
Published Date :
Feb. 12, 2019, 5:29 p.m.
Last Modified :
Nov. 21, 2024, 4:02 a.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2018-20781
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | LOW | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update the affected gnome-keyring package.
- Update libp11-kit-gnome-keyring if applicable.
Public PoC/Exploit Available at Github
CVE-2018-20781 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2018-20781.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-20781 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2018-20781
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
A tool to dump the login password from the current linux user
post-exploitation password-extraction
Makefile C Python Shell
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-20781 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-20781 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://bugs.launchpad.net/ubuntu/+source/gnome-keyring/+bug/1772919 Added Reference https://bugzilla.gnome.org/show_bug.cgi?id=781486 Added Reference https://github.com/huntergregal/mimipenguin Added Reference https://github.com/huntergregal/mimipenguin/tree/d95f1e08ce79783794f38433bbf7de5abd9792da Added Reference https://gitlab.gnome.org/GNOME/gnome-keyring/issues/3 Added Reference https://gitlab.gnome.org/GNOME/gnome-keyring/tags/3.27.2 Added Reference https://usn.ubuntu.com/3894-1/ Added Reference https://www.oracle.com/security-alerts/cpujan2021.html -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Mar. 16, 2021
Action Type Old Value New Value Removed CVSS V3 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://bugs.launchpad.net/ubuntu/+source/gnome-keyring/+bug/1772919 Issue Tracking, Patch https://bugs.launchpad.net/ubuntu/+source/gnome-keyring/+bug/1772919 Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://github.com/huntergregal/mimipenguin No Types Assigned https://github.com/huntergregal/mimipenguin Third Party Advisory Changed Reference Type https://github.com/huntergregal/mimipenguin/tree/d95f1e08ce79783794f38433bbf7de5abd9792da No Types Assigned https://github.com/huntergregal/mimipenguin/tree/d95f1e08ce79783794f38433bbf7de5abd9792da Third Party Advisory Changed Reference Type https://www.oracle.com/security-alerts/cpujan2021.html No Types Assigned https://www.oracle.com/security-alerts/cpujan2021.html Third Party Advisory Changed CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* OR *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Added CPE Configuration OR *cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jan. 20, 2021
Action Type Old Value New Value Added Reference https://www.oracle.com/security-alerts/cpujan2021.html [No Types Assigned] -
CWE Remap by [email protected]
Aug. 24, 2020
Action Type Old Value New Value Changed CWE CWE-255 CWE-522 -
CVE Modified by [email protected]
Oct. 24, 2019
Action Type Old Value New Value Added Reference https://github.com/huntergregal/mimipenguin/tree/d95f1e08ce79783794f38433bbf7de5abd9792da [No Types Assigned] Added Reference https://github.com/huntergregal/mimipenguin [No Types Assigned] -
Modified Analysis by [email protected]
Feb. 28, 2019
Action Type Old Value New Value Changed CVSS V2 (AV:N/AC:L/Au:N/C:P/I:N/A:N) (AV:L/AC:L/Au:N/C:P/I:N/A:N) Changed CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://usn.ubuntu.com/3894-1/ No Types Assigned https://usn.ubuntu.com/3894-1/ Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* -
CVE Modified by [email protected]
Feb. 27, 2019
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/3894-1/ [No Types Assigned] -
Initial Analysis by [email protected]
Feb. 12, 2019
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://gitlab.gnome.org/GNOME/gnome-keyring/tags/3.27.2 No Types Assigned https://gitlab.gnome.org/GNOME/gnome-keyring/tags/3.27.2 Release Notes, Vendor Advisory Changed Reference Type https://bugzilla.gnome.org/show_bug.cgi?id=781486 No Types Assigned https://bugzilla.gnome.org/show_bug.cgi?id=781486 Issue Tracking, Patch, Vendor Advisory Changed Reference Type https://bugs.launchpad.net/ubuntu/+source/gnome-keyring/+bug/1772919 No Types Assigned https://bugs.launchpad.net/ubuntu/+source/gnome-keyring/+bug/1772919 Issue Tracking, Patch Changed Reference Type https://gitlab.gnome.org/GNOME/gnome-keyring/issues/3 No Types Assigned https://gitlab.gnome.org/GNOME/gnome-keyring/issues/3 Vendor Advisory Added CWE CWE-255 Added CPE Configuration OR *cpe:2.3:a:gnome:gnome_keyring:*:*:*:*:*:*:*:* versions up to (excluding) 3.27.2
Vulnerability Scoring Details
Base CVSS Score: 7.8
Base CVSS Score: 2.1
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
6.72 }} 1.65%
score
0.90816
percentile