CVE-2018-11757 : Vulnerability Insights and Analysis

The Docker Skeleton Runtime for Apache OpenWhisk has a vulnerability that could allow an attacker to replace the user function within the container by exploiting vulnerable user code.

Understanding CVE-2018-11757

This CVE affects the Docker Skeleton Runtime for Apache OpenWhisk, potentially enabling an attacker to manipulate the user function within the container.

What is CVE-2018-11757?

In the Docker Skeleton Runtime for Apache OpenWhisk, a Docker action inheriting the Docker tag openwhisk/dockerskeleton:1.3.0 (or earlier) may allow an attacker to replace the user function inside the container if the user code is vulnerable to code exploitation.

The Impact of CVE-2018-11757

The vulnerability could lead to information disclosure if exploited, posing a risk to the confidentiality of user data and functions.

Technical Details of CVE-2018-11757

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The Docker Skeleton Runtime for Apache OpenWhisk vulnerability allows attackers to replace the user function within the container by exploiting vulnerable user code.

Affected Systems and Versions

Product: Docker Skeleton Runtime for Apache OpenWhisk
Vendor: Apache Software Foundation
Versions Affected: Docker tag openwhisk/dockerskeleton 1.3.0 (or lower)

Exploitation Mechanism

The vulnerability can be exploited when a Docker action inherits the Docker tag openwhisk/dockerskeleton:1.3.0 (or an earlier version), enabling attackers to manipulate the user function within the container.

Mitigation and Prevention

Protecting systems from CVE-2018-11757 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update to a secure version of the Docker Skeleton Runtime for Apache OpenWhisk.
Monitor and review user code for vulnerabilities regularly.

Long-Term Security Practices

Implement secure coding practices to prevent code exploitation.
Conduct regular security assessments and audits of Docker actions and user functions.

Patching and Updates

Apply patches and updates provided by Apache Software Foundation to address the vulnerability effectively.