CVE-2020-26213 : Security Advisory and Response

In teler before version 0.0.1, a vulnerability exists that can lead to denial-of-service due to improper handling of process IDs, potentially resulting in a

SIGSEGV

error. This issue has been addressed in teler versions 0.0.1 and 0.0.1-dev5.1.

Understanding CVE-2020-26213

In this CVE, a denial-of-service vulnerability in teler before version 0.0.1 poses a risk to systems running the affected versions.

What is CVE-2020-26213?

The CVE-2020-26213 vulnerability in teler before version 0.0.1 can trigger a denial-of-service condition when encountering certain errors, leading to a

SIGSEGV

error.

The Impact of CVE-2020-26213

The impact of this vulnerability is rated as MEDIUM with a CVSS base score of 5.9. It can result in a denial-of-service situation with high availability impact.

Technical Details of CVE-2020-26213

This section provides more technical insights into the CVE-2020-26213 vulnerability.

Vulnerability Description

The vulnerability arises from teler's failure to properly handle process IDs, potentially causing a denial-of-service condition.

Affected Systems and Versions

Product: teler
Vendor: kitabisa
Versions affected: < 0.0.1

Exploitation Mechanism

The vulnerability can be exploited by running teler inside a Docker container and encountering specific errors that trigger the issue.

Mitigation and Prevention

To address CVE-2020-26213, follow these mitigation strategies:

Immediate Steps to Take

Update teler to version 0.0.1 or 0.0.1-dev5.1 to apply the necessary patches.
Monitor for any abnormal behavior that could indicate a denial-of-service attack.

Long-Term Security Practices

Regularly update and patch software to prevent known vulnerabilities.
Implement proper error handling mechanisms to mitigate potential denial-of-service risks.

Patching and Updates

Stay informed about security advisories and apply patches promptly to secure your systems.