CVE-2019-14307 : Vulnerability Insights and Analysis
Learn about CVE-2019-14307, a critical vulnerability in Ricoh printers allowing attackers to execute code or cause denial of service. Find out affected systems, impacts, and mitigation steps.
Multiple buffer overflows in certain Ricoh printers when parsing HTTP parameter settings for SNMP can lead to denial of service or code execution.
Understanding CVE-2019-14307
There are critical vulnerabilities in Ricoh printers that can be exploited by attackers to disrupt services or execute malicious code.
What is CVE-2019-14307?
- Buffer overflows in Ricoh printers occur when processing HTTP parameter settings for SNMP, enabling attackers to send crafted requests to the web server.
- Affected firmware versions vary based on the printer models, such as firmware 1.06 or earlier for the Ricoh SP C250DN model.
The Impact of CVE-2019-14307
- CVSS Score: 8.8 (High)
- Attack Vector: Network
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
- Privileges Required: Low
- Scope: Unchanged
- These vulnerabilities pose a significant risk as they can result in denial of service or unauthorized code execution.
Technical Details of CVE-2019-14307
Ricoh printers are susceptible to buffer overflows when handling HTTP parameter settings for SNMP.
Vulnerability Description
- Attackers can exploit buffer overflows to disrupt services or execute malicious code by sending specially crafted requests to the web server.
Affected Systems and Versions
- Firmware versions 1.06 or earlier for Ricoh SP C250DN, 1.12 or earlier for Ricoh SP C250SF and SP C252SF are vulnerable.
Exploitation Mechanism
- Attackers can trigger buffer overflows by sending specifically crafted requests to the web server.
Mitigation and Prevention
Steps to address and prevent the CVE-2019-14307 vulnerability.
Immediate Steps to Take
- Update firmware to the latest version provided by Ricoh.
- Implement network segmentation to limit exposure.
- Monitor network traffic for any suspicious activities.
Long-Term Security Practices
- Regularly update firmware and apply security patches.
- Conduct security assessments and penetration testing.
Patching and Updates
- Ricoh may release patches to address the vulnerabilities; ensure timely installation of these updates.