Plattform
ruby
Komponente
festivaltts4r
Behoben in
0.2.1
CVE-2016-10194 describes a critical remote code execution (RCE) vulnerability affecting versions of the festivaltts4r Ruby gem up to and including 0.2.0. This flaw allows attackers to execute arbitrary commands on the system by injecting shell metacharacters into specific methods. The vulnerability resides within the lib/festivaltts4r/festival4r.rb file, specifically the tospeech and tomp3 methods. A patch is available; upgrading is the recommended solution.
The impact of CVE-2016-10194 is severe. Successful exploitation allows an attacker to gain complete control over the affected system. This could involve installing malware, stealing sensitive data, or using the compromised system as a launchpad for further attacks on the network. The vulnerability stems from a lack of proper input sanitization, allowing malicious shell commands to be executed directly by the festivaltts4r gem. Given the gem's functionality (text-to-speech), it could be exploited in automated systems or web applications that utilize the gem, potentially leading to widespread compromise.
CVE-2016-10194 was published in 2017. Public proof-of-concept (PoC) code is likely available given the nature of the vulnerability and its severity. The vulnerability's ease of exploitation makes it a potential target for automated scanning and exploitation tools. While there's no definitive confirmation of active exploitation, the high CVSS score and the availability of PoCs suggest a reasonable probability of exploitation. It is not listed on CISA KEV as of the current date.
Ruby applications utilizing the festivaltts4r gem in versions 0.2.0 and earlier are at risk. This includes applications deployed on cloud platforms, shared hosting environments, and internal servers. Developers who have not regularly updated their gem dependencies are particularly vulnerable.
• ruby / server:
find / -name "festival4r.rb" -exec grep -i 'to_speech\(' {} + | grep -i 'shell'• ruby / supply-chain: Check Gemfile.lock for festivaltts4r versions <= 0.2.0. Run gem audit festivaltts4r to identify vulnerabilities.
• generic web: Monitor access logs for unusual command execution attempts related to the application using the festivaltts4r gem.
discovery
disclosure
poc
Exploit-Status
EPSS
1.01% (77% Perzentil)
CVSS-Vektor
The primary mitigation for CVE-2016-10194 is to upgrade to a patched version of the festivaltts4r gem. Unfortunately, no specific patched version is explicitly listed in the CVE details. If upgrading is not immediately feasible, consider temporarily disabling or removing the gem from your application. Input validation and sanitization should be implemented to prevent the injection of shell metacharacters. While a WAF might offer some protection, it is unlikely to be effective against this type of vulnerability without specific rules tailored to the gem's functionality. After upgrading, verify the fix by attempting to trigger the vulnerable methods with crafted input containing shell metacharacters; the application should not execute the commands.
Kein offizieller Patch verfügbar. Prüfe auf Workarounds oder überwache auf Updates.
Schwachstellenanalysen und kritische Warnungen direkt in deinen Posteingang.
CVE-2016-10194 is a critical remote code execution vulnerability in the festivaltts4r Ruby gem, allowing attackers to execute arbitrary commands via shell metacharacters in the tospeech or tomp3 methods.
You are affected if you are using the festivaltts4r gem in versions 0.2.0 or earlier. Check your Gemfile.lock to determine your version.
Upgrade to a patched version of the festivaltts4r gem. If upgrading is not possible, implement strict input sanitization on the vulnerable methods.
While no confirmed active exploitation campaigns are publicly known, the vulnerability's ease of exploitation makes it a persistent risk.
Refer to the CVE details on the NVD website: https://nvd.nist.gov/vuln/detail/CVE-2016-10194
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