CVE-2023-26445 : What You Need to Know

This CVE, assigned the ID CVE-2023-26445, was published on August 2, 2023, and last updated on January 12, 2024, by OX. It pertains to a vulnerability in OX App Suite, specifically affecting versions equal to or less than 7.10.6-rev27.

Understanding CVE-2023-26445

This section delves into the details of CVE-2023-26445, shedding light on the nature and implications of this security flaw.

What is CVE-2023-26445?

The vulnerability identified as CVE-2023-26445 revolves around user-controllable frontend themes in OX App Suite. Attackers can manipulate these settings to point to malicious resources during the login process, potentially executing malicious script code within the victim's context. This flaw could result in session hijacking, unauthorized actions via the web interface and API, and other security breaches. Notably, exploiting this vulnerability requires temporary access to a user account or the ability to lure a user to a compromised account. It is essential to sanitize the theme value and implement a default fallback when no theme matches to mitigate this risk.

The Impact of CVE-2023-26445

The impact of CVE-2023-26445 is categorized as having a base severity of 'MEDIUM'. With a CVSS base score of 5.4, the vulnerability is deemed to have a low attack complexity and privilege requirement. Despite the potential for session hijacking and unauthorized actions, the integrity impact is assessed as 'NONE', while confidentiality impact is 'LOW' and availability impact is 'LOW'. The vulnerability falls under CWE-79, highlighting the improper neutralization of inputs during web page generation (Cross-site Scripting).

Technical Details of CVE-2023-26445

Explore the technical specifics of CVE-2023-26445, including the vulnerability description, affected systems, versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in OX App Suite allows attackers to manipulate frontend themes to execute malicious script code during login, potentially leading to session hijacking and unauthorized actions.

Affected Systems and Versions

The CVE affects OX App Suite versions equal to or less than 7.10.6-rev27, specifically impacting the frontend modules.

Exploitation Mechanism

To exploit CVE-2023-26445, attackers need temporary access to a user account or the ability to trick a user into interacting with a compromised account. By manipulating the frontend themes, malicious script code can be executed within the victim's context.

Mitigation and Prevention

Discover the necessary steps to mitigate the risks posed by CVE-2023-26445 and enhance the security of OX App Suite.

Immediate Steps to Take

Implementing immediate security measures involves sanitizing theme values, utilizing default fallbacks, and educating users about potential risks related to frontend theme manipulation.

Long-Term Security Practices

Establishing long-term security practices should include regular security assessments, monitoring for suspicious activities, and promptly applying security patches and updates provided by OX Software GmbH.

Patching and Updates

To address CVE-2023-26445, users of OX App Suite are advised to refer to the release notes and vendor advisories for patch releases and security recommendations. Regularly updating the software to the latest version is crucial in mitigating the vulnerability and fortifying system defenses.