Vulnerabilities
Misconfiguration
Runtime Security
Compliance
CVE Vulnerabilities

CVE-2018-18812

Incorrect Permission Assignment for Critical Resource

Published: Jan 16, 2019 | Modified: Aug 24, 2020
CVSS 3.x
5.3
MEDIUM
Source:
NVD
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
CVSS 2.x
3.5 LOW
AV:N/AC:M/Au:S/C:N/I:P/A:N
RedHat/V2
RedHat/V3
Ubuntu
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2018-18812
CWEhttps://cwe.mitre.org/data/definitions/732.html

The Spotfire Library component of TIBCO Software Inc.s TIBCO Spotfire Analytics Platform for AWS Marketplace, and TIBCO Spotfire Server contains a vulnerability that might theoretically fail to restrict users with read-only access from modifying files stored in the Spotfire Library, only when the Spotfire Library is configured to use external storage. Affected releases are TIBCO Software Inc.s TIBCO Spotfire Analytics Platform for AWS Marketplace versions up to and including 10.0.0, and TIBCO Spotfire Server versions up to and including 7.10.1; 7.11.0; 7.11.1; 7.12.0; 7.13.0; 7.14.0; 10.0.0.

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
Spotfire_analytics_platform_for_aws Tibco * 10.0.0 (including)
Spotfire_server Tibco * 7.10.1 (including)
Spotfire_server Tibco 7.11.0 (including) 7.11.0 (including)
Spotfire_server Tibco 7.11.1 (including) 7.11.1 (including)
Spotfire_server Tibco 7.12.0 (including) 7.12.0 (including)
Spotfire_server Tibco 7.13.0 (including) 7.13.0 (including)
Spotfire_server Tibco 7.14.0 (including) 7.14.0 (including)
Spotfire_server Tibco 10.0.0 (including) 10.0.0 (including)

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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