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Merge pull request #4263 from erik-krogh/importScripts

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Approved by esbena
This commit is contained in:
CodeQL CI
2020-09-16 06:01:35 -07:00
committed by GitHub
parent 5079deb92a fa255f3534
commit c2175b678c
5 changed files with 42 additions and 0 deletions
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1
change-notes/1.26/analysis-javascript.md
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@@ -35,6 +35,7 @@
| Unused loop iteration variable (`js/unused-loop-variable`) | Fewer results | This query no longer flags variables in a destructuring array assignment that are not the last variable in the destructed array. |
| Unsafe shell command constructed from library input (`js/shell-command-constructed-from-input`) | More results | This query now recognizes more commands where colon, dash, and underscore are used. |
| Unsafe jQuery plugin (`js/unsafe-jquery-plugin`) | More results | This query now detects more unsafe uses of nested option properties. |
| Client-side URL redirect (`js/client-side-unvalidated-url-redirection`) | More results | This query now recognizes some unsafe uses of `importScripts()` inside WebWorkers. |
## Changes to libraries

9
javascript/ql/src/semmle/javascript/security/dataflow/ClientSideUrlRedirectCustomizations.qll
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@@ -132,6 +132,15 @@ module ClientSideUrlRedirect {
}
}
/**
* An argument to `importScripts(..)` - which is used inside `WebWorker`s to import new scripts - viewed as a `ScriptUrlSink`.
*/
class ImportScriptsSink extends ScriptUrlSink {
ImportScriptsSink() {
this = DataFlow::globalVarRef("importScripts").getACall().getAnArgument()
}
}
/**
* A script or iframe `src` attribute, viewed as a `ScriptUrlSink`.
*/

5
javascript/ql/src/semmle/javascript/security/dataflow/DOM.qll
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@@ -199,6 +199,11 @@ class PostMessageEventHandler extends Function {
addEventListener.getArgument(0).mayHaveStringValue("message") and
addEventListener.getArgument(1).getABoundFunctionValue(paramIndex).getFunction() = this
)
or
exists(DataFlow::Node rhs |
rhs = DataFlow::globalObjectRef().getAPropertyWrite("onmessage").getRhs() and
rhs.getABoundFunctionValue(paramIndex).getFunction() = this
)
}
/**

18
javascript/ql/test/query-tests/Security/CWE-601/ClientSideUrlRedirect/ClientSideUrlRedirect.expected
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@@ -113,6 +113,14 @@ nodes
| tst13.js:40:15:40:21 | payload |
| tst13.js:44:14:44:20 | payload |
| tst13.js:44:14:44:20 | payload |
| tst13.js:49:32:49:32 | e |
| tst13.js:49:32:49:32 | e |
| tst13.js:50:23:50:23 | e |
| tst13.js:50:23:50:23 | e |
| tst13.js:52:34:52:34 | e |
| tst13.js:52:34:52:34 | e |
| tst13.js:53:28:53:28 | e |
| tst13.js:53:28:53:28 | e |
| tst.js:2:19:2:69 | /.*redi ... n.href) |
| tst.js:2:19:2:72 | /.*redi ... ref)[1] |
| tst.js:2:19:2:72 | /.*redi ... ref)[1] |
@@ -234,6 +242,14 @@ edges
| tst13.js:2:19:2:35 | document.location | tst13.js:2:19:2:42 | documen ... .search |
| tst13.js:2:19:2:42 | documen ... .search | tst13.js:2:19:2:52 | documen ... bstr(1) |
| tst13.js:2:19:2:52 | documen ... bstr(1) | tst13.js:2:9:2:52 | payload |
| tst13.js:49:32:49:32 | e | tst13.js:50:23:50:23 | e |
| tst13.js:49:32:49:32 | e | tst13.js:50:23:50:23 | e |
| tst13.js:49:32:49:32 | e | tst13.js:50:23:50:23 | e |
| tst13.js:49:32:49:32 | e | tst13.js:50:23:50:23 | e |
| tst13.js:52:34:52:34 | e | tst13.js:53:28:53:28 | e |
| tst13.js:52:34:52:34 | e | tst13.js:53:28:53:28 | e |
| tst13.js:52:34:52:34 | e | tst13.js:53:28:53:28 | e |
| tst13.js:52:34:52:34 | e | tst13.js:53:28:53:28 | e |
| tst.js:2:19:2:69 | /.*redi ... n.href) | tst.js:2:19:2:72 | /.*redi ... ref)[1] |
| tst.js:2:19:2:69 | /.*redi ... n.href) | tst.js:2:19:2:72 | /.*redi ... ref)[1] |
| tst.js:2:47:2:63 | document.location | tst.js:2:47:2:68 | documen ... on.href |
@@ -276,5 +292,7 @@ edges
| tst13.js:36:21:36:27 | payload | tst13.js:2:19:2:35 | document.location | tst13.js:36:21:36:27 | payload | Untrusted URL redirection due to $@. | tst13.js:2:19:2:35 | document.location | user-provided value |
| tst13.js:40:15:40:21 | payload | tst13.js:2:19:2:35 | document.location | tst13.js:40:15:40:21 | payload | Untrusted URL redirection due to $@. | tst13.js:2:19:2:35 | document.location | user-provided value |
| tst13.js:44:14:44:20 | payload | tst13.js:2:19:2:35 | document.location | tst13.js:44:14:44:20 | payload | Untrusted URL redirection due to $@. | tst13.js:2:19:2:35 | document.location | user-provided value |
| tst13.js:50:23:50:23 | e | tst13.js:49:32:49:32 | e | tst13.js:50:23:50:23 | e | Untrusted URL redirection due to $@. | tst13.js:49:32:49:32 | e | user-provided value |
| tst13.js:53:28:53:28 | e | tst13.js:52:34:52:34 | e | tst13.js:53:28:53:28 | e | Untrusted URL redirection due to $@. | tst13.js:52:34:52:34 | e | user-provided value |
| tst.js:2:19:2:72 | /.*redi ... ref)[1] | tst.js:2:47:2:63 | document.location | tst.js:2:19:2:72 | /.*redi ... ref)[1] | Untrusted URL redirection due to $@. | tst.js:2:47:2:63 | document.location | user-provided value |
| tst.js:6:20:6:59 | indirec ... ref)[1] | tst.js:6:34:6:50 | document.location | tst.js:6:20:6:59 | indirec ... ref)[1] | Untrusted URL redirection due to $@. | tst.js:6:34:6:50 | document.location | user-provided value |

9
javascript/ql/test/query-tests/Security/CWE-601/ClientSideUrlRedirect/tst13.js
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@@ -44,3 +44,12 @@ function foo() {
el.src = payload;
document.body.appendChild(el); // NOT OK
}
(function () {
self.onmessage = function (e) {
importScripts(e); // NOT OK
}
window.onmessage = function (e) {
self.importScripts(e); // NOT OK
}
})();