Vulnerabilities
Misconfiguration
Runtime Security
Compliance
CVE Vulnerabilities

CVE-2019-20106

Incorrect Default Permissions

Published: Feb 06, 2020 | Modified: Mar 30, 2022
CVSS 3.x
4.3
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS 2.x
4 MEDIUM
AV:N/AC:L/Au:S/C:N/I:P/A:N
RedHat/V2
RedHat/V3
Ubuntu
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2019-20106
CWEhttps://cwe.mitre.org/data/definitions/276.html

Comment properties in Atlassian Jira Server and Data Center before version 7.13.12, from 8.0.0 before version 8.5.4, and 8.6.0 before version 8.6.1 allows remote attackers to make comments on a ticket to which they do not have commenting permissions via a broken access control bug.

Weakness

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

Affected Software

Name Vendor Start Version End Version
Jira Atlassian * 7.13.12 (excluding)
Jira_data_center Atlassian 8.0.0 (including) 8.5.4 (excluding)
Jira_data_center Atlassian 8.6.0 (including) 8.6.0 (including)
Jira_server Atlassian 8.0.0 (including) 8.5.4 (excluding)
Jira_server Atlassian 8.6.0 (including) 8.6.0 (including)
Jira_software_data_center Atlassian * 7.13.12 (excluding)

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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