Vulnerabilities
Misconfiguration
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CVE Vulnerabilities

CVE-2020-14019

Incorrect Default Permissions

Published: Jun 19, 2020 | Modified: Nov 21, 2024
CVSS 3.x
7.8
HIGH
Source:
NVD
CVSS:3.1/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
6.6 MODERATE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2020-14019
CWEhttps://cwe.mitre.org/data/definitions/276.html

Open-iSCSI rtslib-fb through 2.1.72 has weak permissions for /etc/target/saveconfig.json because shutil.copyfile (instead of shutil.copy) is used, and thus permissions are not preserved.

Weakness

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

Affected Software

NameVendorStart VersionEnd Version
Rtslib-fbRtslib-fb_project*2.1.72 (including)
Red Hat Enterprise Linux 7RedHatpython-rtslib-0:2.1.74-1.el7_9*
Red Hat Enterprise Linux 8RedHatpython-rtslib-0:2.1.73-2.el8*
Python-rtslib-fbUbuntudevel*
Python-rtslib-fbUbuntueoan*
Python-rtslib-fbUbuntuesm-apps/focal*
Python-rtslib-fbUbuntufocal*
Python-rtslib-fbUbuntugroovy*
Python-rtslib-fbUbuntuhirsute*
Python-rtslib-fbUbuntuimpish*
Python-rtslib-fbUbuntujammy*
Python-rtslib-fbUbuntukinetic*
Python-rtslib-fbUbuntulunar*
Python-rtslib-fbUbuntumantic*
Python-rtslib-fbUbuntunoble*
Python-rtslib-fbUbuntuoracular*
Python-rtslib-fbUbuntuplucky*
Python-rtslib-fbUbuntuquesting*
Python-rtslib-fbUbuntutrusty*

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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