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Add taint flow for Commander.js direct property access and action callbacks

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This commit is contained in:
Napalys Klicius
2025-08-01 13:24:19 +02:00
parent 39170f327c
commit d6508f34b6
3 changed files with 24 additions and 4 deletions
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13
javascript/ql/lib/semmle/javascript/frameworks/CommandLineArguments.qll
View File

@@ -96,8 +96,17 @@ private class ArgsParseStep extends TaintTracking::SharedTaintStep {
)
or
exists(API::Node commanderNode | commanderNode = commander() |
pred = commanderNode.getMember("parse").getACall().getAnArgument() and
succ = commanderNode.getMember("opts").getACall()
pred = commanderNode.getMember(["parse", "parseAsync"]).getACall().getAnArgument() and
succ =
[
commanderNode.getMember("opts").getACall(), commanderNode.getAMember().asSource(),
commander()
.getMember("action")
.getACall()
.getArgument(0)
.(DataFlow::FunctionNode)
.getAParameter()
]
)
or
exists(DataFlow::MethodCallNode methodCall | methodCall = yargs() |

11
javascript/ql/test/query-tests/Security/CWE-078/CommandInjection/CommandInjection.expected
View File

@@ -22,6 +22,8 @@
| child_process-test.js:83:19:83:36 | req.query.fileName | child_process-test.js:83:19:83:36 | req.query.fileName | child_process-test.js:83:19:83:36 | req.query.fileName | This command line depends on a $@. | child_process-test.js:83:19:83:36 | req.query.fileName | user-provided value |
| child_process-test.js:94:11:94:35 | "ping " ... ms.host | child_process-test.js:94:21:94:30 | ctx.params | child_process-test.js:94:11:94:35 | "ping " ... ms.host | This command line depends on a $@. | child_process-test.js:94:21:94:30 | ctx.params | user-provided value |
| command-line-libs.js:14:8:14:18 | options.cmd | command-line-libs.js:9:16:9:23 | req.body | command-line-libs.js:14:8:14:18 | options.cmd | This command line depends on a $@. | command-line-libs.js:9:16:9:23 | req.body | user-provided value |
| command-line-libs.js:15:8:15:18 | program.cmd | command-line-libs.js:9:16:9:23 | req.body | command-line-libs.js:15:8:15:18 | program.cmd | This command line depends on a $@. | command-line-libs.js:9:16:9:23 | req.body | user-provided value |
| command-line-libs.js:21:12:21:17 | script | command-line-libs.js:9:16:9:23 | req.body | command-line-libs.js:21:12:21:17 | script | This command line depends on a $@. | command-line-libs.js:9:16:9:23 | req.body | user-provided value |
| command-line-libs.js:49:8:49:17 | parsed.cmd | command-line-libs.js:42:16:42:23 | req.body | command-line-libs.js:49:8:49:17 | parsed.cmd | This command line depends on a $@. | command-line-libs.js:42:16:42:23 | req.body | user-provided value |
| exec-sh2.js:10:12:10:57 | cp.spaw ... ptions) | exec-sh2.js:14:25:14:31 | req.url | exec-sh2.js:10:40:10:46 | command | This command line depends on a $@. | exec-sh2.js:14:25:14:31 | req.url | user-provided value |
| exec-sh.js:15:12:15:61 | cp.spaw ... ptions) | exec-sh.js:19:25:19:31 | req.url | exec-sh.js:15:44:15:50 | command | This command line depends on a $@. | exec-sh.js:19:25:19:31 | req.url | user-provided value |
@@ -119,11 +121,16 @@ edges
| child_process-test.js:73:25:73:31 | req.url | child_process-test.js:73:15:73:38 | url.par ... , true) | provenance | |
| child_process-test.js:94:21:94:30 | ctx.params | child_process-test.js:94:11:94:35 | "ping " ... ms.host | provenance | |
| command-line-libs.js:9:9:9:34 | args | command-line-libs.js:12:17:12:20 | args | provenance | |
| command-line-libs.js:9:9:9:34 | args | command-line-libs.js:23:29:23:32 | args | provenance | |
| command-line-libs.js:9:16:9:23 | req.body | command-line-libs.js:9:9:9:34 | args | provenance | |
| command-line-libs.js:12:17:12:20 | args | command-line-libs.js:13:19:13:32 | program.opts() | provenance | |
| command-line-libs.js:12:17:12:20 | args | command-line-libs.js:15:8:15:18 | program.cmd | provenance | |
| command-line-libs.js:12:17:12:20 | args | command-line-libs.js:20:14:20:19 | script | provenance | |
| command-line-libs.js:13:9:13:32 | options | command-line-libs.js:14:8:14:14 | options | provenance | |
| command-line-libs.js:13:19:13:32 | program.opts() | command-line-libs.js:13:9:13:32 | options | provenance | |
| command-line-libs.js:14:8:14:14 | options | command-line-libs.js:14:8:14:18 | options.cmd | provenance | |
| command-line-libs.js:20:14:20:19 | script | command-line-libs.js:21:12:21:17 | script | provenance | |
| command-line-libs.js:23:29:23:32 | args | command-line-libs.js:20:14:20:19 | script | provenance | |
| command-line-libs.js:42:9:42:34 | args | command-line-libs.js:43:24:43:27 | args | provenance | |
| command-line-libs.js:42:16:42:23 | req.body | command-line-libs.js:42:9:42:34 | args | provenance | |
| command-line-libs.js:43:9:47:12 | parsed | command-line-libs.js:49:8:49:13 | parsed | provenance | |
@@ -292,6 +299,10 @@ nodes
| command-line-libs.js:13:19:13:32 | program.opts() | semmle.label | program.opts() |
| command-line-libs.js:14:8:14:14 | options | semmle.label | options |
| command-line-libs.js:14:8:14:18 | options.cmd | semmle.label | options.cmd |
| command-line-libs.js:15:8:15:18 | program.cmd | semmle.label | program.cmd |
| command-line-libs.js:20:14:20:19 | script | semmle.label | script |
| command-line-libs.js:21:12:21:17 | script | semmle.label | script |
| command-line-libs.js:23:29:23:32 | args | semmle.label | args |
| command-line-libs.js:42:9:42:34 | args | semmle.label | args |
| command-line-libs.js:42:16:42:23 | req.body | semmle.label | req.body |
| command-line-libs.js:43:9:47:12 | parsed | semmle.label | parsed |

4
javascript/ql/test/query-tests/Security/CWE-078/CommandInjection/command-line-libs.js
View File

@@ -12,13 +12,13 @@ app.post('/Command', async (req, res) => {
program.parse(args, { from: 'user' });
const options = program.opts();
exec(options.cmd); // $ Alert
exec(program.cmd); // $ MISSING: Alert
exec(program.cmd); // $ Alert
const program1 = new Command();
program1
.command('run <script>')
.action((script) => {
exec(script); // $ MISSING: Alert
exec(script); // $ Alert
});
await program1.parseAsync(args);
});