Learn about CVE-2021-32972 affecting Panasonic FPWIN Pro versions 7.5.1.1 and prior. Understand the impact, technical details, and mitigation steps for this XML entity reference restriction vulnerability.
Panasonic FPWIN Pro, all Versions 7.5.1.1 and prior, allows an attacker to craft a project file specifying a URI that causes the XML parser to access the URI and embed the contents, potentially leading to information disclosure.
Understanding CVE-2021-32972
This CVE describes a vulnerability in Panasonic FPWIN Pro that can be exploited by an attacker to access and embed contents via a crafted project file.
What is CVE-2021-32972?
CVE-2021-32972 relates to improper restriction of XML external entity reference (CWE-611) in Panasonic FPWIN Pro versions 7.5.1.1 and earlier. It allows attackers to potentially access user-executed software context information.
The Impact of CVE-2021-32972
The impact of this vulnerability is the potential disclosure of sensitive information accessible within the user's software execution context, posing a risk to data confidentiality.
Technical Details of CVE-2021-32972
The technical details of CVE-2021-32972 include how the vulnerability manifests in affected systems.
Vulnerability Description
The vulnerability in Panasonic FPWIN Pro versions 7.5.1.1 and earlier allows attackers to specify a URI in a project file that manipulates the XML parser to access and embed content, potentially leading to unauthorized disclosure of information.
Affected Systems and Versions
Panasonic FPWIN Pro versions 7.5.1.1 and prior are affected by this vulnerability, leaving them susceptible to exploitation through crafted project files.
Exploitation Mechanism
Attackers can exploit CVE-2021-32972 by creating a malicious project file with a specified URI to manipulate the XML parser, enabling access to the URI and embedding its contents.
Mitigation and Prevention
To address CVE-2021-32972, immediate and long-term security measures are essential.
Immediate Steps to Take
Users should update Panasonic FPWIN Pro to a version that patches this vulnerability and avoid opening project files from untrusted or unknown sources.
Long-Term Security Practices
Implementing network segmentation, access controls, and regular security updates can enhance overall system security and mitigate risks.
Patching and Updates
Regularly check for software updates from Panasonic to ensure that the latest patches are applied, addressing known vulnerabilities and enhancing system security.