Plataforma
curl
Componente
curl
Corregido en
0.0.10
CVE-2013-2617 is a Command Injection vulnerability discovered in the Curl Gem for Ruby. This flaw allows attackers to execute arbitrary commands on a system by injecting malicious shell metacharacters into URLs processed by the gem. The vulnerability affects versions of the Curl Gem up to and including 0.0.9. A fix is available through upgrading to a patched version of the gem.
The impact of CVE-2013-2617 is significant due to the potential for remote command execution. An attacker could craft a malicious URL that, when processed by an application using the vulnerable Curl Gem, would execute arbitrary commands on the server. This could lead to complete system compromise, including data theft, modification, or deletion. The blast radius extends to any application relying on this gem, potentially impacting multiple users and services. While no direct precedent is immediately obvious, the ability to execute arbitrary commands mirrors the severity of vulnerabilities like remote code execution flaws in other libraries.
CVE-2013-2617 was published in 2017, indicating a significant delay between discovery and public disclosure. There is no indication of it being listed on CISA KEV or any confirmed active exploitation campaigns. Public proof-of-concept exploits are not widely available, suggesting limited active exploitation. The vulnerability's age and lack of widespread exploitation may be due to its relative obscurity or the complexity of exploiting it in a real-world scenario.
Applications written in Ruby that rely on the Curl Gem for URL processing are at risk. This includes web applications, scripts, and automation tools. Specifically, older Ruby projects that haven't been updated in a while are particularly vulnerable, as they are more likely to be using outdated versions of the Curl Gem.
• ruby / server:
grep -r 'curl.rb' /path/to/your/ruby/projects | grep -i 'http://' # Look for URL processing in the vulnerable file• generic web:
curl -I 'http://your-application.com?url=;ls' # Attempt to trigger command injection via URL parameterdisclosure
Estado del Exploit
EPSS
1.41% (80% percentil)
The primary mitigation for CVE-2013-2617 is to upgrade to a patched version of the Curl Gem. Unfortunately, a specific fixed version isn't explicitly listed in the available data. If upgrading is not immediately feasible, consider implementing input validation on URLs processed by the application to sanitize against shell metacharacters. Web application firewalls (WAFs) configured to detect and block command injection attempts can also provide a layer of defense. Carefully review any code that uses the Curl Gem to ensure proper URL handling and sanitization.
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CVE-2013-2617 is a Command Injection vulnerability affecting versions of the Curl Gem for Ruby up to 0.0.9. It allows attackers to execute arbitrary commands via shell metacharacters in URLs.
You are affected if your Ruby application uses the Curl Gem version 0.0.9 or earlier. Check your gem dependencies to determine if you are vulnerable.
Upgrade to a patched version of the Curl Gem. Unfortunately, a specific fixed version isn't explicitly listed, so check for the latest release.
There is no indication of active exploitation of CVE-2013-2617, but the vulnerability remains a risk if unpatched.
While a dedicated advisory may not exist, refer to the Ruby security advisories and the NVD entry for CVE-2013-2617 for more information.
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