Vulnerabilities
Misconfiguration
Runtime Security
Compliance
CVE Vulnerabilities

CVE-2022-47927

Incorrect Permission Assignment for Critical Resource

Published: Jan 12, 2023 | Modified: Nov 21, 2024
CVSS 3.x
5.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 2.x
RedHat/V2
RedHat/V3
6.2 MODERATE
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Ubuntu
MEDIUM
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2022-47927
CWEhttps://cwe.mitre.org/data/definitions/732.html

An issue was discovered in MediaWiki before 1.35.9, 1.36.x through 1.38.x before 1.38.5, and 1.39.x before 1.39.1. When installing with a pre-existing data directory that has weak permissions, the SQLite files are created with file mode 0644, i.e., world readable to local users. These files include credentials data.

Weakness

The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.

Affected Software

Name Vendor Start Version End Version
Mediawiki Mediawiki * 1.35.9 (excluding)
Mediawiki Mediawiki 1.36.0 (including) 1.38.5 (excluding)
Mediawiki Mediawiki 1.39.0 (including) 1.39.0 (including)
Mediawiki Mediawiki 1.39.0-rc0 (including) 1.39.0-rc0 (including)
Mediawiki Mediawiki 1.39.0-rc1 (including) 1.39.0-rc1 (including)
Mediawiki Ubuntu bionic *
Mediawiki Ubuntu kinetic *
Mediawiki Ubuntu trusty *
Mediawiki Ubuntu upstream *
Mediawiki Ubuntu xenial *

Potential Mitigations

  • Run the code in a “jail” or similar sandbox environment that enforces strict boundaries between the process and the operating system. This may effectively restrict which files can be accessed in a particular directory or which commands can be executed by the software.
  • OS-level examples include the Unix chroot jail, AppArmor, and SELinux. In general, managed code may provide some protection. For example, java.io.FilePermission in the Java SecurityManager allows the software to specify restrictions on file operations.
  • This may not be a feasible solution, and it only limits the impact to the operating system; the rest of the application may still be subject to compromise.
  • Be careful to avoid CWE-243 and other weaknesses related to jails.

References

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