CVE-2019-1010183 : Security Advisory and Response

A vulnerability in serde_yaml versions 0.6.0 to 0.8.3 can lead to a Denial of Service due to Uncontrolled Recursion. The issue affects deserialization functions and can be exploited by parsing a malicious YAML file. It is crucial to update to version 0.8.4 or later to mitigate this vulnerability.

Understanding CVE-2019-1010183

This CVE involves a vulnerability in serde_yaml versions 0.6.0 to 0.8.3 related to Uncontrolled Recursion, leading to a Denial of Service attack.

What is CVE-2019-1010183?

The vulnerability in serde_yaml versions 0.6.0 to 0.8.3 allows for Uncontrolled Recursion, resulting in a Denial of Service by causing an abortion. It impacts the from_* functions within deserialization functions.

The Impact of CVE-2019-1010183

The vulnerability can be exploited by parsing a malicious YAML file, potentially leading to a Denial of Service attack.

Technical Details of CVE-2019-1010183

This section provides technical details about the vulnerability.

Vulnerability Description

The vulnerability in serde_yaml versions 0.6.0 to 0.8.3 is related to Uncontrolled Recursion, which can result in a Denial of Service by causing an abortion.

Affected Systems and Versions

Product: serde_yaml
Vendor: serde
Versions Affected: 0.6.0 to 0.8.3
Fixed Version: 0.8.4 and later

Exploitation Mechanism

The attack vector involves parsing a malicious YAML file to exploit the vulnerability.

Mitigation and Prevention

To address CVE-2019-1010183, follow these mitigation steps:

Immediate Steps to Take

Upgrade to version 0.8.4 or later to apply the necessary fixes.
Avoid parsing untrusted or malicious YAML files.

Long-Term Security Practices

Regularly update software components to the latest versions.
Implement input validation mechanisms to prevent malicious input.

Patching and Updates

Ensure timely patching and updates to address known vulnerabilities and enhance system security.