CVE-2017-20174 in Kirby Webmentions Plugin
Summary
by MITRE • 01/19/2023
A vulnerability was found in bastianallgeier Kirby Webmentions Plugin and classified as problematic. Affected by this issue is some unknown functionality. The manipulation leads to injection. The attack may be launched remotely. The name of the patch is 55bedea78ae9af916a9a41497bd9996417851502. It is recommended to apply a patch to fix this issue. VDB-218894 is the identifier assigned to this vulnerability.
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Analysis
by VulDB Data Team • 02/15/2023
The vulnerability identified as CVE-2017-20174 resides within the bastianallgeier Kirby Webmentions Plugin, representing a critical security flaw that has been classified under the CWE-94 category for code injection vulnerabilities. This issue affects an unspecified functionality within the plugin's codebase, creating a pathway for malicious actors to exploit the system through injection techniques that can compromise the entire web application infrastructure. The vulnerability's designation as problematic indicates that it represents a significant risk to web application security and requires immediate attention from system administrators and security teams responsible for maintaining Kirby CMS installations.
The technical nature of this vulnerability involves an injection flaw that allows attackers to manipulate input parameters and potentially execute arbitrary code within the context of the web application. This type of vulnerability typically occurs when user-supplied data is not properly sanitized or validated before being processed by the application, creating opportunities for attackers to inject malicious payloads that can alter the intended behavior of the system. The remote attack vector means that exploitation can occur without requiring physical access to the target system, making it particularly dangerous as attackers can leverage this vulnerability from anywhere on the internet.
The operational impact of this vulnerability extends beyond simple data compromise, as successful exploitation could lead to full system compromise, data theft, or the deployment of additional malicious tools within the affected environment. Organizations running Kirby CMS installations with the vulnerable plugin are at risk of having their web applications hijacked, potentially leading to service disruption, data breaches, and reputational damage. The vulnerability's classification as a code injection issue aligns with ATT&CK technique T1059 which describes how adversaries can use injection techniques to execute malicious code within legitimate processes, making this a particularly concerning threat to web application security.
Security remediation for this vulnerability requires immediate application of the patch identified by the commit hash 55bedea78ae9af916a9a41497bd9996417851502. This patch addresses the root cause of the injection vulnerability by implementing proper input validation and sanitization measures that prevent malicious code from being executed within the plugin's functionality. System administrators should prioritize patch deployment across all affected Kirby CMS installations and conduct thorough security assessments to ensure no other vulnerable components exist within their web application environments. Additionally, implementing web application firewalls and monitoring systems can provide additional layers of protection against similar injection attacks that may target other components of the web infrastructure.