Description
A vulnerability classified as critical was found in Comodo Internet Security Premium 12.3.4.8162. This vulnerability affects unknown code of the file cis_update_x64.xml of the component Manifest File Handler. The manipulation leads to improper validation of integrity check value. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
EPSS Score:
0%
Comprehensive Technical Analysis of EUVD-2025-20153
1. Vulnerability Assessment and Severity Evaluation
The vulnerability EUVD-2025-20153, also known as CVE-2025-7096, is classified as critical with a CVSS base score of 9.2. This high score indicates a severe vulnerability that poses significant risk. The vulnerability affects the integrity check validation mechanism in the cis_update_x64.xml file of the Manifest File Handler component in Comodo Internet Security Premium 12.3.4.8162.
Key factors contributing to the severity:
- Attack Vector (AV:N): The vulnerability can be exploited remotely over the network.
- Attack Complexity (AC:H): The complexity of the attack is high, indicating that specialized knowledge or conditions are required.
- Privileges Required (PR:N): No privileges are required to exploit the vulnerability.
- User Interaction (UI:N): No user interaction is required for the attack to succeed.
- Confidentiality, Integrity, and Availability Impact (VC:H, VI:H, VA:H): The vulnerability has a high impact on confidentiality, integrity, and availability.
2. Potential Attack Vectors and Exploitation Methods
Given the nature of the vulnerability, potential attack vectors include:
- Remote Exploitation: An attacker could remotely manipulate the
cis_update_x64.xmlfile to bypass integrity checks. - Man-in-the-Middle (MitM) Attacks: An attacker could intercept and modify the update file during transmission.
- Supply Chain Attacks: Compromising the update mechanism could allow an attacker to distribute malicious updates.
Exploitation methods might involve:
- Crafting Malicious Update Files: An attacker could create a malicious update file that bypasses the integrity check.
- Exploiting Weak Integrity Checks: The attacker could exploit the improper validation of integrity check values to inject malicious code.
3. Affected Systems and Software Versions
The vulnerability specifically affects:
- Comodo Internet Security Premium 12.3.4.8162
Other versions of Comodo Internet Security Premium may also be affected, but this has not been confirmed. Organizations using this software should prioritize patching and updating to mitigate the risk.
4. Recommended Mitigation Strategies
To mitigate the risk associated with this vulnerability, the following strategies are recommended:
- Immediate Patching: Apply the latest security patches provided by Comodo.
- Network Segmentation: Isolate critical systems and networks to limit the potential impact of a successful attack.
- Intrusion Detection Systems (IDS): Deploy IDS to monitor for suspicious activities related to update mechanisms.
- Regular Audits: Conduct regular security audits and integrity checks on update files.
- User Education: Educate users about the risks of downloading updates from untrusted sources.
5. Impact on European Cybersecurity Landscape
The disclosure of this vulnerability has significant implications for the European cybersecurity landscape:
- Widespread Use: Comodo Internet Security Premium is widely used in Europe, making the vulnerability a high-risk issue.
- Regulatory Compliance: Organizations must ensure compliance with regulations such as GDPR, which mandates robust security measures.
- Public Disclosure: The public disclosure of the exploit increases the risk of widespread attacks, necessitating immediate action.
6. Technical Details for Security Professionals
For security professionals, the following technical details are crucial:
- Vulnerable Component: The
cis_update_x64.xmlfile in the Manifest File Handler. - Integrity Check Mechanism: The vulnerability stems from improper validation of integrity check values.
- Exploit Availability: The exploit has been disclosed to the public, increasing the urgency for mitigation.
- Vendor Response: The vendor has not responded to the disclosure, indicating a potential delay in patching.
References:
Conclusion
The vulnerability EUVD-2025-20153 in Comodo Internet Security Premium 12.3.4.8162 is critical and requires immediate attention. Organizations should prioritize patching and implement robust mitigation strategies to protect against potential exploits. The public disclosure of the exploit and the lack of vendor response underscore the urgency for proactive measures to safeguard European cybersecurity.