CVE-2022-25759 in convert-svg-core
Summary
by MITRE • 07/23/2022
The package convert-svg-core before 0.6.2 are vulnerable to Remote Code Injection via sending an SVG file containing the payload.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 07/23/2022
The vulnerability identified as CVE-2022-25759 affects the convert-svg-core package version 0.6.2 and earlier, representing a critical remote code execution flaw that can be exploited through maliciously crafted svg files. This vulnerability resides within the package's handling of svg input data, where insufficient validation allows attackers to inject arbitrary code that gets executed during the conversion process. The flaw specifically impacts systems that utilize this package for converting svg files to other formats, creating a potential attack surface where untrusted input can lead to complete system compromise. The vulnerability stems from the package's failure to properly sanitize svg content before processing, allowing attackers to embed malicious payloads within svg elements that are subsequently executed during the conversion workflow. This type of vulnerability is particularly dangerous because it can be exploited remotely without requiring authentication, making it an attractive target for automated attacks.
The technical implementation of this vulnerability involves the package's svg parsing functionality which processes user-supplied svg files without adequate input validation or sanitization measures. When an attacker sends a malicious svg file containing specially crafted payload elements, the convert-svg-core package processes these elements without proper security checks, leading to code execution on the target system. The vulnerability can be classified under CWE-94, which describes "Improper Control of Generation of Code ('Code Injection')" and aligns with ATT&CK technique T1059.007 for "Command and Scripting Interpreter: JavaScript'. The flaw typically manifests when the package attempts to parse svg elements such as script tags, foreignObject elements, or other potentially dangerous svg attributes that can trigger code execution in the processing environment.
The operational impact of this vulnerability extends beyond simple code execution to encompass complete system compromise and potential data exfiltration. Attackers can leverage this vulnerability to execute arbitrary commands on systems running vulnerable versions of the convert-svg-core package, potentially gaining full administrative control over affected servers. The attack vector is particularly concerning because it can be delivered through web applications that accept svg uploads or through any system that processes svg files through this package. Organizations using this package in their web applications, content management systems, or file processing workflows face significant risk, as the vulnerability can be exploited through simple file uploads or through more sophisticated attack chains that involve social engineering or other initial compromise vectors. The vulnerability's remote nature means that attackers do not need physical access to the target system, and the impact can be severe even when the affected system has proper network segmentation.
Mitigation strategies for CVE-2022-25759 should prioritize immediate patching of the convert-svg-core package to version 0.6.2 or later, which contains the necessary security fixes. Organizations should implement comprehensive input validation and sanitization measures for all svg file processing, including the removal of potentially dangerous svg elements and attributes. Network segmentation and access controls should be enforced to limit exposure of systems running vulnerable versions of the package. Additional defensive measures include implementing web application firewalls to detect and block malicious svg uploads, conducting regular security assessments of svg processing workflows, and establishing monitoring procedures to detect unauthorized code execution attempts. The vulnerability also highlights the importance of dependency management and regular security auditing of third-party packages, as highlighted in industry standards such as NIST SP 800-171 and ISO 27001 requirements for secure software development practices. Organizations should also consider implementing automated patch management systems to ensure timely deployment of security updates across their infrastructure.