Plattform
nodejs
Komponente
pdf-image
Behoben in
2.0.1
CVE-2020-8132 is a critical vulnerability affecting the pdf-image npm package versions up to and including 2.0.0. This flaw stems from a lack of input validation when constructing PDF file paths, enabling an attacker to potentially execute arbitrary code. The vulnerability arises when the package processes PDF files based on user-supplied input without proper sanitization, creating a significant security risk for applications relying on this package.
The impact of CVE-2020-8132 is severe. An attacker can leverage this vulnerability to execute arbitrary code on the server hosting the Node.js application. This could lead to complete system compromise, including data exfiltration, malware installation, and denial of service. The attack vector involves crafting a malicious PDF file where the path used by pdf-image to access the file is manipulated to point to a location controlled by the attacker, allowing them to execute commands. This is particularly concerning in environments where the application processes user-uploaded PDF files without proper sanitization.
CVE-2020-8132 was publicly disclosed on May 10, 2021. While no active exploitation campaigns have been definitively linked to this CVE, the critical severity and ease of exploitation make it a potential target. No proof-of-concept code has been publicly released, but the vulnerability's nature suggests that exploitation is relatively straightforward. This vulnerability is not currently listed on CISA KEV.
Applications built with Node.js that utilize the pdf-image package to process PDF files, particularly those that accept PDF files from untrusted sources, are at significant risk. Shared hosting environments where multiple applications share the same Node.js installation are also vulnerable, as a compromise in one application could affect others.
• nodejs / supply-chain:
Get-Process -Name node | Select-Object -ExpandProperty Path• nodejs / supply-chain:
Get-ChildItem -Path Env:NODE_PATH -Recurse -Filter pdf-image* | Select-Object -ExpandProperty FullName• generic web: Inspect Node.js application logs for unusual file access patterns or errors related to PDF processing. Look for attempts to access files outside of expected directories.
discovery
disclosure
patch
Exploit-Status
EPSS
0.46% (64% Perzentil)
CVSS-Vektor
The primary mitigation for CVE-2020-8132 is to upgrade to a version of pdf-image that addresses the vulnerability. If upgrading is not immediately feasible, implement strict input validation on any user-provided data used to construct PDF file paths. This should include whitelisting allowed characters and ensuring that the path points to an expected location. Consider using a Web Application Firewall (WAF) to filter potentially malicious PDF files. While a direct detection signature is difficult, monitor system logs for unusual process executions or file modifications related to PDF processing.
Aktualisieren Sie das pdf-image-Paket auf eine Version größer als 2.0.0. Dies behebt die fehlende Eingabevalidierung, die die Ausführung von beliebigem Code ermöglicht, wenn der PDF-Dateipfad basierend auf nicht vertrauenswürdiger Benutzereingabe konstruiert wird.
Schwachstellenanalysen und kritische Warnungen direkt in deinen Posteingang.
CVE-2020-8132 is a critical vulnerability in the pdf-image npm package (versions <= 2.0.0) that allows an attacker to execute arbitrary code by manipulating PDF file paths.
You are affected if your Node.js application uses the pdf-image package and is running a version 2.0.0 or earlier. Check your project dependencies immediately.
Upgrade to the latest version of the pdf-image package. If upgrading is not possible, implement strict input validation on any user-provided data used to construct file paths.
While no confirmed active exploitation campaigns are publicly known, the critical severity of the vulnerability makes it a high-priority risk and potential target.
Refer to the npm advisory for CVE-2020-8132: https://www.npmjs.com/advisories/1289
Lade deine Abhängigkeitsdatei hoch und erfahre sofort, ob dich diese und andere CVEs treffen.