CVE-2022-2856 is a medium severity vulnerability affecting Google Chrome on Android prior to version 104.0.5112.101. This vulnerability allows remote attackers to exploit insufficient validation of untrusted input in Intents, leading to the potential for arbitrary browsing to malicious websites via crafted HTML pages. The CVSS score for this vulnerability is 6.5, indicating a medium risk that organizations should address promptly.
The exploitation status of CVE-2022-2856 is noteworthy, as it has been included in the Known Exploited Vulnerabilities (KEV) catalog. Given this status, organizations should prioritize patching to minimize the risk of exploitation. The urgency is critical, as failure to address this vulnerability may lead to significant risks.
Risk to organizations includes potential unauthorized access to sensitive data, user redirection to malicious sites, and overall compromise of user security. The vulnerability's impact on integrity is rated as high, underscoring the importance of immediate remediation.
Organizations should take immediate action to apply the necessary patches to mitigate the risks associated with CVE-2022-2856.
Vulnerability Details
The official description of CVE-2022-2856 states that it results from insufficient validation of untrusted input in Intents in Google Chrome on Android prior to 104.0.5112.101. It allows a remote attacker to arbitrarily browse to a malicious website via a crafted HTML page. The vulnerability is classified under CWE-20, indicating improper input validation.
The CVSS score of 6.5 falls into the medium severity category. With a low attack complexity and no privileges required, the vulnerability is exploitable through network vectors, necessitating user interaction to trigger the exploit.
The vulnerability was published on September 26, 2022. Organizations using affected versions of Google Chrome should take immediate steps to update to the latest version to ensure protection against potential exploits.
Technical Analysis
The root cause of CVE-2022-2856 lies in the insufficient validation of untrusted input. Attackers can exploit this vulnerability through crafted HTML pages that redirect users to malicious sites. The attack vector is categorized as network-based, requiring users to interact with the malicious content, which adds an element of complexity to the exploitation.
The attack complexity is low, meaning that attackers can easily craft the malicious input without significant effort. No privileges are required to exploit the vulnerability, making it accessible to a wide range of attackers.
User interaction is necessary, as the exploitation requires users to visit the crafted HTML page. The impact on confidentiality is none, while the integrity impact is high due to the potential for redirection to malicious sites. Availability impact is rated as none.
Risk & Impact Analysis
Organizations deploying Google Chrome on Android are at risk due to CVE-2022-2856. The potential for attackers to redirect users to malicious websites poses significant security threats. The blast radius includes any user who interacts with the affected browser, making widespread exploitation a concern.
Given the CVSS score of 6.5, organizations should assess the urgency of remediation as critical. The vulnerability has been noted in the KEV catalog, indicating active exploitation may occur. Organizations must prioritize patching to prevent unauthorized access and maintain the integrity of their systems.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | Yes |
Ransomware Use | No |
Affected Versions
The affected versions of Google Chrome are all versions prior to 104.0.5112.101 on Android. Organizations should ensure they update to the latest version to mitigate the risks associated with this vulnerability.
Mitigation & Remediation
Organizations must apply updates as per vendor instructions to mitigate CVE-2022-2856. The latest patches can be found in the official release notes on the vendor's website. In the absence of immediate patching, organizations should consider implementing network controls and monitoring solutions to detect and prevent potential exploitation attempts.
For further assistance, organizations can refer to the penetration testing services offered to validate the effectiveness of remediation efforts.
Detection Guidance
To detect potential exploitation of this vulnerability, organizations should monitor logs for unusual access patterns and behavioral anomalies. Specifically, look for unexpected user interactions with Chrome that may indicate attempts to exploit the vulnerability. Network signatures related to the crafted HTML pages should also be monitored.
AppSecure Threat Intelligence Insight
CVE-2022-2856 highlights the ongoing challenges in validating untrusted input within web applications. This vulnerability serves as a reminder for developers and security teams to prioritize input validation in all web-based applications. Furthermore, the inclusion of this vulnerability in the KEV catalog signifies its potential impact, urging organizations to enhance their security posture.
Organizations can benefit from reviewing their application security strategies and investing in continuous security assessments. To learn more about application security assessments, visit our application security assessment guide.
Additionally, organizations should remain informed about trends in vulnerabilities and exploit patterns by following our blog. Check out our article on the latest vulnerability management practices for insights.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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