Vulnerabilities
Misconfiguration
Runtime Security
Compliance
CVE Vulnerabilities

CVE-2019-19231

Windows Hard Link

Published: Dec 20, 2019 | 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
Ubuntu
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2019-19231
CWEhttps://cwe.mitre.org/data/definitions/65.html

An insecure file access vulnerability exists in CA Client Automation 14.0, 14.1, 14.2, and 14.3 Agent for Windows that can allow a local attacker to gain escalated privileges.

Weakness

The product, when opening a file or directory, does not sufficiently handle when the name is associated with a hard link to a target that is outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files.

Affected Software

Name Vendor Start Version End Version
Ca_client_automation Broadcom 14.0 (including) 14.0 (including)
Ca_client_automation Broadcom 14.1 (including) 14.1 (including)
Ca_client_automation Broadcom 14.2 (including) 14.2 (including)
Ca_client_automation Broadcom 14.3 (including) 14.3 (including)

Potential Mitigations

  • Follow the principle of least privilege when assigning access rights to entities in a software system.
  • Denying access to a file can prevent an attacker from replacing that file with a link to a sensitive file. Ensure good compartmentalization in the system to provide protected areas that can be trusted.

References

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