CVE-2020-25858 : Security Advisory and Response
Learn about CVE-2020-25858, a vulnerability in Qualcomm QCMAP software suite allowing denial of service attacks. Find out affected systems, exploitation details, and mitigation steps.
The QCMAP_Web_CLIENT binary in the Qualcomm QCMAP software suite prior to versions released in October 2020 has a vulnerability that can be exploited by an attacker to cause denial of service.
Understanding CVE-2020-25858
This CVE involves a vulnerability in the Qualcomm QCMAP software suite that allows for a denial of service attack.
What is CVE-2020-25858?
The QCMAP_Web_CLIENT binary in the Qualcomm QCMAP software suite does not properly validate certain input, allowing an attacker to crash the process through a crafted URL, resulting in denial of service.
The Impact of CVE-2020-25858
This vulnerability can be exploited by attackers to crash the process, leading to a denial of service condition. The affected version of QCMAP is commonly used in various networking devices, particularly mobile hotspots and LTE routers.
Technical Details of CVE-2020-25858
The technical details of the CVE highlight the specific aspects of the vulnerability.
Vulnerability Description
The vulnerability arises from the lack of validation in the Tokenizer() function of the QCMAP_Web_CLIENT binary, specifically in the handling of strstr() or strchr() return values.
Affected Systems and Versions
- Product: Qualcomm QCMAP
- Versions Affected: Versions prior to the release in October 2020
Exploitation Mechanism
- An attacker can exploit this vulnerability by invoking the web interface with a specially crafted URL
- This action can crash the process, resulting in denial of service
Mitigation and Prevention
Mitigation strategies and preventive measures to address CVE-2020-25858.
Immediate Steps to Take
- Apply the patch released in October 2020 to fix the vulnerability
- Monitor network traffic for any suspicious activity
Long-Term Security Practices
- Regularly update software and firmware to the latest versions
- Implement network segmentation to limit the impact of potential attacks
Patching and Updates
- Ensure timely installation of security patches and updates to prevent exploitation of known vulnerabilities