Vulnerability in Freedesktop Xdg-User-Dirs
CVE-2017-15131
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (22.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 22.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Freedesktop Xdg-User-Dirs
- Red Hat, Inc. Rhel Shipped Xdg-User-Dirs And Gnome-Session — versions before 0.15-5
- Red Hat Enterprise Linux — versions 7.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (Issue Tracking)
- access.redhat.com/errata/RHSA-2018:0842 (vendor-advisory)
- lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac… (mailing-list)
Frequently asked questions
- What is CVE-2017-15131?
- CVE-2017-15131 is a high-severity vulnerability in Freedesktop Xdg-User-Dirs, classified under Improper Access Control. CVSS score: 7.8/10. Published 2018-01-09.
- How severe is CVE-2017-15131?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2017-15131 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.