Vulnerabilities
Misconfiguration
Runtime Security
Compliance
CVE Vulnerabilities

CVE-2019-15011

Incorrect Default Permissions

Published: Dec 17, 2019 | Modified: Dec 30, 2019
CVSS 3.x
4.3
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS 2.x
4 MEDIUM
AV:N/AC:L/Au:S/C:P/I:N/A:N
RedHat/V2
RedHat/V3
Ubuntu
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2019-15011
CWEhttps://cwe.mitre.org/data/definitions/276.html

The ListEntityLinksServlet resource in Application Links before version 5.0.12, from version 5.1.0 before version 5.2.11, from version 5.3.0 before version 5.3.7, from version 5.4.0 before 5.4.13, and from version 6.0.0 before 6.0.5 disclosed application link information to non-admin users via a missing permissions check.

Weakness

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

Affected Software

Name Vendor Start Version End Version
Application_links Atlassian * 5.0.12 (excluding)
Application_links Atlassian 5.1.0 (including) 5.2.11 (excluding)
Application_links Atlassian 5.3.0 (including) 5.3.7 (excluding)
Application_links Atlassian 5.4.0 (including) 5.4.13 (excluding)
Application_links Atlassian 6.0.0 (including) 6.0.5 (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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