|Summary:||CVE-2019-3827 gvfs: Incorrect authorization in admin backend allows privileged users to read and modify arbitrary files without prompting for password|
|Product:||[Other] Security Response||Reporter:||Pedro Sampaio <psampaio>|
|Component:||vulnerability||Assignee:||Red Hat Product Security <security-response-team>|
|Status:||CLOSED ERRATA||QA Contact:|
|Version:||unspecified||CC:||jrybar, oholy, security-response-team|
|Fixed In Version:||gvfs 1.39.4||Doc Type:||If docs needed, set a value|
An incorrect permission check in the admin backend in gvfs was found that allows reading and modify arbitrary files by privileged users without asking for password when no authentication agent is running. This vulnerability can be exploited by malicious programs running under privileges of users belonging to the wheel group to further escalate its privileges by modifying system files without user's knowledge. Successful exploitation requires uncommon system configuration.
|Last Closed:||2019-07-12 13:06:27 UTC||Type:||---|
|oVirt Team:||---||RHEL 7.3 requirements from Atomic Host:|
|Cloudforms Team:||---||Target Upstream Version:|
|Bug Depends On:||1673885, 1673887, 1673888, 1690470|
Description Pedro Sampaio 2019-01-11 20:17:34 UTC
A flaw was found in gvfs 1.38.1-1. Unprivileged users are not prompted to give password when accessing root owned files. Upstream issue: https://gitlab.gnome.org/GNOME/gvfs/issues/355 Upstream patch: https://gitlab.gnome.org/GNOME/gvfs/merge_requests/31
Comment 1 Adam Mariš 2019-02-08 10:51:03 UTC
This flaw affects gvfs since 1.29.4 where admin backend was introduced up to and including 1.39.4.
Comment 2 Adam Mariš 2019-02-08 11:17:34 UTC
Statement: This issue did not affect the versions of gvfs as shipped with Red Hat Enterprise Linux 6 as they did not include support for admin backend.
Comment 3 Adam Mariš 2019-02-08 11:20:37 UTC
Created gvfs tracking bugs for this issue: Affects: fedora-all [bug 1673885]
Comment 6 errata-xmlrpc 2019-06-18 17:19:23 UTC
This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2019:1517 https://access.redhat.com/errata/RHSA-2019:1517
Comment 7 Product Security DevOps Team 2019-07-12 13:06:27 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2019-3827