CVE-2020-1736 in Red Hat and Fedora Project Products
Published on March 16, 2020

A flaw was found in Ansible Engine when a file is moved using atomic_move primitive as the file mode cannot be specified. This sets the destination files world-readable if the destination file does not exist and if the file exists, the file could be changed to have less restrictive permissions before the move. This could lead to the disclosure of sensitive data. All versions in 2.7.x, 2.8.x and 2.9.x branches are believed to be vulnerable.

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Vulnerability Analysis

CVE-2020-1736 is exploitable with local system access, requires user interaction and a small amount of user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.

Attack Vector:

LOCAL

Attack Complexity:

HIGH

Privileges Required:

LOW

User Interaction:

REQUIRED

Scope:

UNCHANGED

Confidentiality Impact:

LOW

Integrity Impact:

NONE

Availability Impact:

NONE

Weakness Type

Incorrect Permission Assignment for Critical Resource

The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors. When a resource is given a permissions setting that provides access to a wider range of actors than required, it could lead to the exposure of sensitive information, or the modification of that resource by unintended parties. This is especially dangerous when the resource is related to program configuration, execution or sensitive user data.

Products Associated with CVE-2020-1736

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2020-1736 are published in these products:

Red Hat Ansible

Red Hat Ansible Tower

Red Hat Cloudforms Management Engine

Red Hat Openstack

Fedora Project Fedora

Affected Versions

Red Hat ansible Version 2.7.x, 2.8.x, 2.9.x is affected by CVE-2020-1736

Exploit Probability

EPSS

0.04%

Percentile

12.02%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.