gnome-session: Xsession creation of XDG user directories does not honor system umask policy
Published Jan 9, 2018
7.8
HIGHCVSS 3.0
EPSS 0.32%
Description
It was found that system umask policy is not being honored when creating XDG user directories, since Xsession sources xdg-user-dirs.sh before setting umask policy. This only affects xdg-user-dirs before 0.15.5 as shipped with Red Hat Enterprise Linux.
Affected products
-
- Version before 0.15-5StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Red Hat, Inc. | RHEL shipped xdg-user-dirs and gnome-session | n/a |
|
Configuration 1
- < 0.15.5
Configuration 2
- 7.0
No data.
Red Hat Enterprise Linux 7
xdg-user-dirs-0:0.15-5.el7
Fixed · RHSA-2018:0842
Red Hat Enterprise Linux 6
xdg-user-dirs
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | xdg-user-dirs-0:0.15-5.el7 | Fixed | RHSA-2018:0842 |
| Red Hat Enterprise Linux 6 | xdg-user-dirs | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
AV:L/AC:L/Au:N/C:P/I:P/A:P
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 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (8 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.32% (0.00321) | 22.78th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.32% (0.00321) | 25.34th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.04% (0.00042) | 5.06th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00890) | 30.33th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00890) | 12.04th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.83% (0.00833) | 24.58th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.83% (0.00833) | 0.00th | v1 |
References (7)
- https://access.redhat.com/errata/RHSA-2018:0842 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2017-15131 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1412762 x_refsource_CONFIRMIssue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=1455094 Issue Tracking
- https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2017-15131
- https://www.cve.org/CVERecord?id=CVE-2017-15131
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2018:0842 | vendor-advisoryx_refsource_REDHAT | |
| https://access.redhat.com/security/cve/CVE-2017-15131 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1412762 | x_refsource_CONFIRMIssue Tracking | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1455094 | Issue Tracking | |
| https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E | mailing-listx_refsource_MLIST | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-15131 | ||
| https://www.cve.org/CVERecord?id=CVE-2017-15131 |
Change history (0)
No recorded changes yet.