gnome-keyring: user's login credentials is kept in a session-child process resulting in exposed plaintext password
Published Feb 12, 2019
7.8
HIGHCVSS 3.1
EPSS 1.48%
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.
Affected products
No data.
Configuration 1
- < 3.27.2
Configuration 2
- 14.04
- 16.04
Configuration 3
- 8.8
No data.
Red Hat Enterprise Linux 6
gnome-keyring
Will not fix
Red Hat Enterprise Linux 7
gnome-keyring
Will not fix
Red Hat Enterprise Linux 7
libgnome-keyring
Not affected
Red Hat Enterprise Linux 8
gnome-keyring
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | gnome-keyring | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | gnome-keyring | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | libgnome-keyring | Not affected | n/a |
| Red Hat Enterprise Linux 8 | gnome-keyring | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
AV:L/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 4, 2026.
Score over time
2021-2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (26 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 4, 2026 | 1.48% (0.01483) | 73.07th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.49% (0.01495) | 70.73th | v5 (v2026.06.15) |
| May 29, 2026 | 9.92% (0.09919) | 93.14th | v4 (v2025.03.14) |
| Apr 19, 2026 | 7.56% (0.07555) | 91.84th | v4 (v2025.03.14) |
| Feb 6, 2026 | 4.25% (0.04253) | 88.54th | v4 (v2025.03.14) |
| Dec 28, 2025 | 5.44% (0.05441) | 89.87th | v4 (v2025.03.14) |
| Dec 27, 2025 | 7.21% (0.07209) | 91.34th | v4 (v2025.03.14) |
| Nov 21, 2025 | 4.70% (0.04697) | 88.88th | v4 (v2025.03.14) |
| Nov 18, 2025 | 2.36% (0.02362) | 83.60th | v4 (v2025.03.14) |
| Oct 28, 2025 | 4.70% (0.04697) | 88.85th | v4 (v2025.03.14) |
| Oct 27, 2025 | 6.24% (0.06244) | 90.51th | v4 (v2025.03.14) |
| Oct 1, 2025 | 4.70% (0.04697) | 88.94th | v4 (v2025.03.14) |
| Jul 13, 2025 | 6.71% (0.06715) | 90.82th | v4 (v2025.03.14) |
| Mar 30, 2025 | 4.71% (0.04708) | 88.35th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.63% (0.02625) | 76.10th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.71% (0.04708) | 88.64th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.05% (0.00047) | 19.25th | v3 (v2023.03.01) |
| May 22, 2024 | 0.05% (0.00047) | 16.79th | v3 (v2023.03.01) |
| Mar 22, 2024 | 0.05% (0.00047) | 14.72th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00045) | 12.69th | v3 (v2023.03.01) |
| Mar 6, 2023 | 7.95% (0.07948) | 93.26th | v2 (v2022.01.01) |
| Sep 20, 2022 | 7.95% (0.07948) | 93.01th | v2 (v2022.01.01) |
| Sep 19, 2022 | 1.10% (0.01104) | 52.46th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.10% (0.01104) | 28.85th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.86% (0.01865) | 48.06th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.86% (0.01865) | 0.00th | v1 |
References (12)
- https://access.redhat.com/security/cve/CVE-2018-20781 Vendor Advisory
- https://bugs.launchpad.net/ubuntu/+source/gnome-keyring/+bug/1772919 x_refsource_MISCIssue TrackingPatchThird Party Advisory
- https://bugzilla.gnome.org/show_bug.cgi?id=781486 x_refsource_MISCIssue TrackingPatchVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1677288 Issue Tracking
- https://github.com/huntergregal/mimipenguin x_refsource_MISCThird Party Advisory
- https://github.com/huntergregal/mimipenguin/tree/d95f1e08ce79783794f38433bbf7de5abd9792da x_refsource_MISCThird Party Advisory
- https://gitlab.gnome.org/GNOME/gnome-keyring/issues/3 x_refsource_MISCVendor Advisory
- https://gitlab.gnome.org/GNOME/gnome-keyring/tags/3.27.2 x_refsource_MISCRelease NotesVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-20781
- https://usn.ubuntu.com/3894-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-20781
- https://www.oracle.com/security-alerts/cpujan2021.html x_refsource_MISCThird Party Advisory
Change history (0)
No recorded changes yet.