Plattform
nodejs
Komponente
dns-sync
Behoben in
0.1.1
CVE-2017-16100 describes a critical Command Injection vulnerability affecting the dns-sync package. This flaw allows attackers to execute arbitrary commands on the system by manipulating input to the resolve() method. Versions of dns-sync prior to 0.1.1 are vulnerable. A fix is available in version 0.1.1.
The dns-sync package is a Node.js module used for synchronizing DNS records. This vulnerability allows an attacker to inject arbitrary commands into the resolve() method, effectively granting them remote code execution (RCE) on the server. Successful exploitation could lead to complete system takeover, data theft, and the installation of malware. The impact is magnified if dns-sync is used in critical infrastructure or handles sensitive data. Given the ease of command injection, this vulnerability poses a significant risk.
This vulnerability was publicly disclosed in July 2018. While no active exploitation campaigns have been definitively linked to CVE-2017-16100, the ease of exploitation makes it a potential target for opportunistic attackers. No public proof-of-concept exploits were immediately available, but the vulnerability's nature makes it relatively straightforward to develop. It is not listed on the CISA KEV catalog.
Applications and systems utilizing the dns-sync package in Node.js environments are at risk, particularly those that accept external input that is processed by the resolve() method without proper sanitization. Development environments using older versions of dns-sync are also vulnerable.
• nodejs / server:
npm list dns-sync• nodejs / server:
npm audit dns-sync• nodejs / server:
grep -r 'dns-sync.resolve(' /path/to/your/projectdisclosure
Exploit-Status
EPSS
5.34% (90% Perzentil)
The primary mitigation for CVE-2017-16100 is to upgrade to version 0.1.1 or later of dns-sync. If upgrading is not immediately feasible, consider implementing input validation on the dns-sync.resolve() method to prevent untrusted data from being processed. As a temporary workaround, restrict network access to the dns-sync process to only trusted sources. Monitor system logs for suspicious command execution patterns. After upgrading, confirm the fix by attempting to trigger the resolve() method with malicious input and verifying that it is properly sanitized.
Kein offizieller Patch verfügbar. Prüfe auf Workarounds oder überwache auf Updates.
Schwachstellenanalysen und kritische Warnungen direkt in deinen Posteingang.
CVE-2017-16100 is a critical vulnerability in the dns-sync Node.js package that allows attackers to execute arbitrary commands on the system through the resolve() method.
You are affected if you are using a version of dns-sync prior to 0.1.1 and are not properly sanitizing input to the resolve() method.
Upgrade to version 0.1.1 or later of dns-sync. Alternatively, use a different DNS resolver.
While no confirmed active exploitation campaigns are publicly known, the vulnerability's severity and ease of exploitation make it a potential target.
Refer to the original vulnerability report and related security advisories for details: [https://nvd.nist.gov/vuln/detail/CVE-2017-16100](https://nvd.nist.gov/vuln/detail/CVE-2017-16100)
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