CVE-2023-2101 Explained : Impact and Mitigation

This CVE-2023-2101 article provides detailed information about a vulnerability found in moxi624 Mogu Blog v2 that could lead to absolute path traversal.

Understanding CVE-2023-2101

This section delves into the nature of CVE-2023-2101 and its potential impact on affected systems.

What is CVE-2023-2101?

CVE-2023-2101 is a vulnerability identified in moxi624 Mogu Blog v2 versions up to 5.2. The issue is classified as problematic and revolves around the function

uploadPictureByUrl

within the file

/mogu-picture/file/uploadPicsByUrl

. The vulnerability arises from the manipulation of the argument

urlList

, allowing for absolute path traversal. Furthermore, this flaw could be exploited remotely, making it a significant concern for system security.

The Impact of CVE-2023-2101

The exploit associated with CVE-2023-2101 has been disclosed to the public, increasing the risk of malicious actors leveraging it to compromise affected systems. With a CVSS base score of 4.3, this vulnerability is rated as MEDIUM severity, highlighting the importance of prompt mitigation measures.

Technical Details of CVE-2023-2101

In this section, we explore the technical aspects of CVE-2023-2101, including the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability in moxi624 Mogu Blog v2 versions up to 5.2 enables absolute path traversal via the

uploadPictureByUrl

function, posing a risk to system integrity and data confidentiality.

Affected Systems and Versions

The versions of Mogu Blog v2 affected by CVE-2023-2101 include 5.0, 5.1, and 5.2, making it crucial for users of these versions to take proactive security measures.

Exploitation Mechanism

By manipulating the

urlList

argument, threat actors can exploit the absolute path traversal vulnerability remotely, highlighting the critical need for immediate action to secure vulnerable systems.

Mitigation and Prevention

This section outlines essential steps to mitigate the risk posed by CVE-2023-2101 and prevent potential exploitation.

Immediate Steps to Take

System administrators and users are advised to apply security patches promptly, restrict network access to vulnerable components, and monitor for any suspicious activity that may indicate exploitation attempts.

Long-Term Security Practices

Implementing robust access controls, conducting regular security assessments, and staying informed about emerging threats can help enhance the overall security posture and prevent similar vulnerabilities in the future.

Patching and Updates

Vendor-supplied patches and updates should be applied as soon as they become available to remediate the CVE-2023-2101 vulnerability and bolster the resilience of affected systems against potential attacks.