Adds additional pattern to prevent access to getClass method
Project: http://git-wip-us.apache.org/repos/asf/struts/repo Commit: http://git-wip-us.apache.org/repos/asf/struts/commit/46f3cf24 Tree: http://git-wip-us.apache.org/repos/asf/struts/tree/46f3cf24 Diff: http://git-wip-us.apache.org/repos/asf/struts/diff/46f3cf24 Branch: refs/heads/master Commit: 46f3cf24c4e87b07988068195cda0f7c4fc450f5 Parents: c067020 Author: Lukasz Lenart <lukaszlen...@apache.org> Authored: Sun Jan 10 11:46:46 2016 +0100 Committer: Lukasz Lenart <lukasz.len...@gmail.com> Committed: Tue Jan 19 16:18:01 2016 +0100 ---------------------------------------------------------------------- .../xwork2/security/DefaultExcludedPatternsChecker.java | 1 + .../xwork2/interceptor/ParametersInterceptorTest.java | 9 ++++++--- 2 files changed, 7 insertions(+), 3 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/struts/blob/46f3cf24/core/src/main/java/com/opensymphony/xwork2/security/DefaultExcludedPatternsChecker.java ---------------------------------------------------------------------- diff --git a/core/src/main/java/com/opensymphony/xwork2/security/DefaultExcludedPatternsChecker.java b/core/src/main/java/com/opensymphony/xwork2/security/DefaultExcludedPatternsChecker.java index 13e091e..84840f5 100644 --- a/core/src/main/java/com/opensymphony/xwork2/security/DefaultExcludedPatternsChecker.java +++ b/core/src/main/java/com/opensymphony/xwork2/security/DefaultExcludedPatternsChecker.java @@ -17,6 +17,7 @@ public class DefaultExcludedPatternsChecker implements ExcludedPatternsChecker { public static final String[] EXCLUDED_PATTERNS = { "(^|\\%\\{)((#?)(top(\\.|\\['|\\[\")|\\[\\d\\]\\.)?)(dojo|struts|session|request|response|application|servlet(Request|Response|Context)|parameters|context|_memberAccess)(\\.|\\[).*", + ".*(^|\\.|\\[|\\'|\"|get)class(\\(\\.|\\[|\\'|\").*", "^(action|method):.*" }; http://git-wip-us.apache.org/repos/asf/struts/blob/46f3cf24/core/src/test/java/com/opensymphony/xwork2/interceptor/ParametersInterceptorTest.java ---------------------------------------------------------------------- diff --git a/core/src/test/java/com/opensymphony/xwork2/interceptor/ParametersInterceptorTest.java b/core/src/test/java/com/opensymphony/xwork2/interceptor/ParametersInterceptorTest.java index b025784..cdd8003 100644 --- a/core/src/test/java/com/opensymphony/xwork2/interceptor/ParametersInterceptorTest.java +++ b/core/src/test/java/com/opensymphony/xwork2/interceptor/ParametersInterceptorTest.java @@ -84,6 +84,7 @@ public class ParametersInterceptorTest extends XWorkTestCase { "java.lang.Boolean(false), #_memberAccess[\"allowStaticMethodAccess\"]= new java.lang.Boolean(true), " + "@java.lang.Runtime@getRuntime().exec('mkdir /tmp/PWNAGE'))(meh)"); put("top['name'](0)", "true"); + put("expression", "#f=#_memberAccess.getClass().getDeclaredField('allowStaticMethodAccess'),#f.setAccessible(true),#f.set(#_memberAccess,true),#req=@org.apache.struts2.ServletActionContext@getRequest(),#resp=@org.apache.struts2.ServletActionContext@getResponse().getWriter(),#resp.println(#req.getRealPath('/')),#resp.close()"); } }; @@ -96,13 +97,15 @@ public class ParametersInterceptorTest extends XWorkTestCase { pi.setParameters(action, vs, HttpParameters.create(params).build()); // then - assertEquals(2, action.getActionMessages().size()); + assertEquals(3, action.getActionMessages().size()); String msg1 = action.getActionMessage(0); String msg2 = action.getActionMessage(1); + String msg3 = action.getActionMessage(2); - assertEquals("Error setting expression 'name' with value '(#context[\"xwork.MethodAccessor.denyMethodExecution\"]= new java.lang.Boolean(false), #_memberAccess[\"allowStaticMethodAccess\"]= new java.lang.Boolean(true), @java.lang.Runtime@getRuntime().exec('mkdir /tmp/PWNAGE'))(meh)'", msg1); - assertEquals("Error setting expression 'top['name'](0)' with value 'true'", msg2); + assertEquals("Error setting expression 'expression' with value '#f=#_memberAccess.getClass().getDeclaredField('allowStaticMethodAccess'),#f.setAccessible(true),#f.set(#_memberAccess,true),#req=@org.apache.struts2.ServletActionContext@getRequest(),#resp=@org.apache.struts2.ServletActionContext@getResponse().getWriter(),#resp.println(#req.getRealPath('/')),#resp.close()'", msg1); + assertEquals("Error setting expression 'name' with value '(#context[\"xwork.MethodAccessor.denyMethodExecution\"]= new java.lang.Boolean(false), #_memberAccess[\"allowStaticMethodAccess\"]= new java.lang.Boolean(true), @java.lang.Runtime@getRuntime().exec('mkdir /tmp/PWNAGE'))(meh)'", msg2); + assertEquals("Error setting expression 'top['name'](0)' with value 'true'", msg3); assertNull(action.getName()); }
