Vulnerabilities
Misconfiguration
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CVE Vulnerabilities

CVE-2019-12795

Incorrect Default Permissions

Published: Jun 11, 2019 | Modified: Nov 21, 2024
CVSS 3.x
7.8
HIGH
Source:
NVD
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
4.6 MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
4.5 LOW
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2019-12795
CWEhttps://cwe.mitre.org/data/definitions/276.html

daemon/gvfsdaemon.c in gvfsd from GNOME gvfs before 1.38.3, 1.40.x before 1.40.2, and 1.41.x before 1.41.3 opened a private D-Bus server socket without configuring an authorization rule. A local attacker could connect to this server socket and issue D-Bus method calls. (Note that the server socket only accepts a single connection, so the attacker would have to discover the server and connect to the socket before its owner does.)

Weakness

During installation, installed file permissions are set to allow anyone to modify those files.

Affected Software

NameVendorStart VersionEnd Version
GvfsGnome*1.38.3 (excluding)
GvfsGnome1.40.0 (including)1.40.2 (excluding)
GvfsGnome1.41.0 (including)1.41.3 (excluding)
Red Hat Enterprise Linux 8RedHataccountsservice-0:0.6.50-7.el8*
Red Hat Enterprise Linux 8RedHatappstream-data-0:8-20190805.el8*
Red Hat Enterprise Linux 8RedHatbaobab-0:3.28.0-2.el8*
Red Hat Enterprise Linux 8RedHatchrome-gnome-shell-0:10.1-6.el8*
Red Hat Enterprise Linux 8RedHatevince-0:3.28.4-3.el8*
Red Hat Enterprise Linux 8RedHatfile-roller-0:3.28.1-2.el8*
Red Hat Enterprise Linux 8RedHatgdk-pixbuf2-0:2.36.12-5.el8*
Red Hat Enterprise Linux 8RedHatgdm-1:3.28.3-22.el8*
Red Hat Enterprise Linux 8RedHatgjs-0:1.56.2-3.el8*
Red Hat Enterprise Linux 8RedHatgnome-control-center-0:3.28.2-5.el8*
Red Hat Enterprise Linux 8RedHatgnome-desktop3-0:3.32.2-1.el8*
Red Hat Enterprise Linux 8RedHatgnome-remote-desktop-0:0.1.6-5.el8*
Red Hat Enterprise Linux 8RedHatgnome-settings-daemon-0:3.32.0-4.el8*
Red Hat Enterprise Linux 8RedHatgnome-shell-0:3.32.2-9.el8*
Red Hat Enterprise Linux 8RedHatgnome-shell-extensions-0:3.32.1-10.el8*
Red Hat Enterprise Linux 8RedHatgnome-software-0:3.30.6-2.el8*
Red Hat Enterprise Linux 8RedHatgnome-tweaks-0:3.28.1-6.el8*
Red Hat Enterprise Linux 8RedHatgsettings-desktop-schemas-0:3.32.0-3.el8*
Red Hat Enterprise Linux 8RedHatgtk3-0:3.22.30-4.el8*
Red Hat Enterprise Linux 8RedHatgvfs-0:1.36.2-6.el8*
Red Hat Enterprise Linux 8RedHatmozjs60-0:60.9.0-3.el8*
Red Hat Enterprise Linux 8RedHatmutter-0:3.32.2-10.el8*
Red Hat Enterprise Linux 8RedHatnautilus-0:3.28.1-10.el8*
Red Hat Enterprise Linux 8RedHatpango-0:1.42.4-6.el8*
Red Hat Enterprise Linux 8RedHatpidgin-0:2.13.0-5.el8*
Red Hat Enterprise Linux 8RedHatplymouth-0:0.9.3-15.el8*
Red Hat Enterprise Linux 8RedHatSDL-0:1.2.15-35.el8*
Red Hat Enterprise Linux 8RedHatwayland-protocols-0:1.17-1.el8*
Red Hat Enterprise Linux 8RedHatwebkit2gtk3-0:2.24.3-1.el8*
Red Hat Enterprise Linux 8RedHataccountsservice-0:0.6.50-7.el8*
Red Hat Enterprise Linux 8RedHatappstream-data-0:8-20190805.el8*
Red Hat Enterprise Linux 8RedHatbaobab-0:3.28.0-2.el8*
Red Hat Enterprise Linux 8RedHatchrome-gnome-shell-0:10.1-6.el8*
Red Hat Enterprise Linux 8RedHatevince-0:3.28.4-3.el8*
Red Hat Enterprise Linux 8RedHatfile-roller-0:3.28.1-2.el8*
Red Hat Enterprise Linux 8RedHatgdk-pixbuf2-0:2.36.12-5.el8*
Red Hat Enterprise Linux 8RedHatgdm-1:3.28.3-22.el8*
Red Hat Enterprise Linux 8RedHatgjs-0:1.56.2-3.el8*
Red Hat Enterprise Linux 8RedHatgnome-control-center-0:3.28.2-5.el8*
Red Hat Enterprise Linux 8RedHatgnome-desktop3-0:3.32.2-1.el8*
Red Hat Enterprise Linux 8RedHatgnome-remote-desktop-0:0.1.6-5.el8*
Red Hat Enterprise Linux 8RedHatgnome-settings-daemon-0:3.32.0-4.el8*
Red Hat Enterprise Linux 8RedHatgnome-shell-0:3.32.2-9.el8*
Red Hat Enterprise Linux 8RedHatgnome-shell-extensions-0:3.32.1-10.el8*
Red Hat Enterprise Linux 8RedHatgnome-software-0:3.30.6-2.el8*
Red Hat Enterprise Linux 8RedHatgnome-tweaks-0:3.28.1-6.el8*
Red Hat Enterprise Linux 8RedHatgsettings-desktop-schemas-0:3.32.0-3.el8*
Red Hat Enterprise Linux 8RedHatgtk3-0:3.22.30-4.el8*
Red Hat Enterprise Linux 8RedHatgvfs-0:1.36.2-6.el8*
Red Hat Enterprise Linux 8RedHatmozjs60-0:60.9.0-3.el8*
Red Hat Enterprise Linux 8RedHatmutter-0:3.32.2-10.el8*
Red Hat Enterprise Linux 8RedHatnautilus-0:3.28.1-10.el8*
Red Hat Enterprise Linux 8RedHatpango-0:1.42.4-6.el8*
Red Hat Enterprise Linux 8RedHatpidgin-0:2.13.0-5.el8*
Red Hat Enterprise Linux 8RedHatplymouth-0:0.9.3-15.el8*
Red Hat Enterprise Linux 8RedHatSDL-0:1.2.15-35.el8*
Red Hat Enterprise Linux 8RedHatwayland-protocols-0:1.17-1.el8*
Red Hat Enterprise Linux 8RedHatwebkit2gtk3-0:2.24.3-1.el8*
GvfsUbuntubionic*
GvfsUbuntucosmic*
GvfsUbuntudevel*
GvfsUbuntudisco*
GvfsUbuntuesm-infra/bionic*
GvfsUbuntuesm-infra/xenial*
GvfsUbuntutrusty*
GvfsUbuntuupstream*
GvfsUbuntuxenial*

Potential Mitigations

  • Compartmentalize the system to have “safe” areas where trust boundaries can be unambiguously drawn. Do not allow sensitive data to go outside of the trust boundary and always be careful when interfacing with a compartment outside of the safe area.
  • Ensure that appropriate compartmentalization is built into the system design, and the compartmentalization allows for and reinforces privilege separation functionality. Architects and designers should rely on the principle of least privilege to decide the appropriate time to use privileges and the time to drop privileges.

References

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