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erik-krogherik-krogh
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add model for the luxon library
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‎javascript/change-notes/2021-06-21-dates.md‎

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Original file line numberDiff line numberDiff line change
@@ -1,5 +1,6 @@
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lgtm,codescanning
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* Improved support for date parsing libraries, resulting in more results in security queries.
33
Affected packages are
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[dayjs](https://npmjs.com/package/dayjs)
4+
[dayjs](https://npmjs.com/package/dayjs),
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[luxon](https://npmjs.com/package/luxon)
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‎javascript/ql/src/semmle/javascript/frameworks/DateFunctions.qll‎

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Original file line numberDiff line numberDiff line change
@@ -75,6 +75,45 @@ private module DateIO {
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}
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}
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/**
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* Provides classes and predicates modelling the `luxon` library.
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*/
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private module Luxon {
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/**
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* Gets a reference to a `DateTime` object from the `luxon` library.
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*/
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private API::Node luxonDateTime() {
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exists(API::Node constructor | constructor = API::moduleImport("luxon").getMember("DateTime") |
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result = constructor.getInstance()
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or
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result =
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constructor
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.getMember([
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"fromJSDate", "fromJSDate", "fromISO", "now", "fromMillis", "fromHTTP",
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"fromObject", "fromRFC2822", "fromSeconds", "fromSQL", "fromFormat", "fromString",
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"invalid", "local", "utc"
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])
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.getReturn()
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or
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// fluent API that return immutable objects
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result = luxonDateTime().getAMember()
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or
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result = luxonDateTime().getReturn()
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)
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}
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/**
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* A step of the form: `f -> luxonDateTime.toFormat(f)`.
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*/
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private class ToFormatStep extends TaintTracking::SharedTaintStep {
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override predicate stringManipulationStep(DataFlow::Node pred, DataFlow::Node succ) {
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exists(API::CallNode call | call = luxonDateTime().getMember("toFormat").getACall() |
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pred = call.getArgument(0) and succ = call
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)
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}
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}
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}
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78117
private module Moment {
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/** Gets a reference to a `moment` object. */
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private API::Node moment() {

‎javascript/ql/test/query-tests/Security/CWE-079/DomBasedXss/Xss.expected‎

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Original file line numberDiff line numberDiff line change
@@ -151,6 +151,23 @@ nodes
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| dates.js:40:31:40:84 | `Time i ... aint)}` |
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| dates.js:40:42:40:82 | dayjs.f ... taint) |
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| dates.js:40:77:40:81 | taint |
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| dates.js:46:9:46:69 | taint |
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| dates.js:46:17:46:69 | decodeU ... ing(1)) |
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| dates.js:46:36:46:55 | window.location.hash |
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| dates.js:46:36:46:55 | window.location.hash |
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| dates.js:46:36:46:68 | window. ... ring(1) |
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| dates.js:48:31:48:90 | `Time i ... aint)}` |
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| dates.js:48:31:48:90 | `Time i ... aint)}` |
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| dates.js:48:42:48:88 | DateTim ... (taint) |
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| dates.js:48:83:48:87 | taint |
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| dates.js:49:31:49:89 | `Time i ... aint)}` |
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| dates.js:49:31:49:89 | `Time i ... aint)}` |
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| dates.js:49:42:49:87 | new Dat ... (taint) |
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| dates.js:49:82:49:86 | taint |
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| dates.js:50:31:50:104 | `Time i ... aint)}` |
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| dates.js:50:31:50:104 | `Time i ... aint)}` |
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| dates.js:50:42:50:102 | DateTim ... (taint) |
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| dates.js:50:97:50:101 | taint |
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| event-handler-receiver.js:2:31:2:83 | '<h2><a ... ></h2>' |
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| event-handler-receiver.js:2:31:2:83 | '<h2><a ... ></h2>' |
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| event-handler-receiver.js:2:49:2:61 | location.href |
@@ -823,6 +840,22 @@ edges
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| dates.js:40:42:40:82 | dayjs.f ... taint) | dates.js:40:31:40:84 | `Time i ... aint)}` |
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| dates.js:40:42:40:82 | dayjs.f ... taint) | dates.js:40:31:40:84 | `Time i ... aint)}` |
825842
| dates.js:40:77:40:81 | taint | dates.js:40:42:40:82 | dayjs.f ... taint) |
843+
| dates.js:46:9:46:69 | taint | dates.js:48:83:48:87 | taint |
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| dates.js:46:9:46:69 | taint | dates.js:49:82:49:86 | taint |
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| dates.js:46:9:46:69 | taint | dates.js:50:97:50:101 | taint |
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| dates.js:46:17:46:69 | decodeU ... ing(1)) | dates.js:46:9:46:69 | taint |
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| dates.js:46:36:46:55 | window.location.hash | dates.js:46:36:46:68 | window. ... ring(1) |
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| dates.js:46:36:46:55 | window.location.hash | dates.js:46:36:46:68 | window. ... ring(1) |
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| dates.js:46:36:46:68 | window. ... ring(1) | dates.js:46:17:46:69 | decodeU ... ing(1)) |
850+
| dates.js:48:42:48:88 | DateTim ... (taint) | dates.js:48:31:48:90 | `Time i ... aint)}` |
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| dates.js:48:42:48:88 | DateTim ... (taint) | dates.js:48:31:48:90 | `Time i ... aint)}` |
852+
| dates.js:48:83:48:87 | taint | dates.js:48:42:48:88 | DateTim ... (taint) |
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| dates.js:49:42:49:87 | new Dat ... (taint) | dates.js:49:31:49:89 | `Time i ... aint)}` |
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| dates.js:49:42:49:87 | new Dat ... (taint) | dates.js:49:31:49:89 | `Time i ... aint)}` |
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| dates.js:49:82:49:86 | taint | dates.js:49:42:49:87 | new Dat ... (taint) |
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| dates.js:50:42:50:102 | DateTim ... (taint) | dates.js:50:31:50:104 | `Time i ... aint)}` |
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| dates.js:50:42:50:102 | DateTim ... (taint) | dates.js:50:31:50:104 | `Time i ... aint)}` |
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| dates.js:50:97:50:101 | taint | dates.js:50:42:50:102 | DateTim ... (taint) |
826859
| event-handler-receiver.js:2:49:2:61 | location.href | event-handler-receiver.js:2:31:2:83 | '<h2><a ... ></h2>' |
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| event-handler-receiver.js:2:49:2:61 | location.href | event-handler-receiver.js:2:31:2:83 | '<h2><a ... ></h2>' |
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| event-handler-receiver.js:2:49:2:61 | location.href | event-handler-receiver.js:2:31:2:83 | '<h2><a ... ></h2>' |
@@ -1339,6 +1372,9 @@ edges
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| dates.js:38:31:38:84 | `Time i ... aint)}` | dates.js:30:36:30:55 | window.location.hash | dates.js:38:31:38:84 | `Time i ... aint)}` | Cross-site scripting vulnerability due to $@. | dates.js:30:36:30:55 | window.location.hash | user-provided value |
13401373
| dates.js:39:31:39:86 | `Time i ... aint)}` | dates.js:30:36:30:55 | window.location.hash | dates.js:39:31:39:86 | `Time i ... aint)}` | Cross-site scripting vulnerability due to $@. | dates.js:30:36:30:55 | window.location.hash | user-provided value |
13411374
| dates.js:40:31:40:84 | `Time i ... aint)}` | dates.js:30:36:30:55 | window.location.hash | dates.js:40:31:40:84 | `Time i ... aint)}` | Cross-site scripting vulnerability due to $@. | dates.js:30:36:30:55 | window.location.hash | user-provided value |
1375+
| dates.js:48:31:48:90 | `Time i ... aint)}` | dates.js:46:36:46:55 | window.location.hash | dates.js:48:31:48:90 | `Time i ... aint)}` | Cross-site scripting vulnerability due to $@. | dates.js:46:36:46:55 | window.location.hash | user-provided value |
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| dates.js:49:31:49:89 | `Time i ... aint)}` | dates.js:46:36:46:55 | window.location.hash | dates.js:49:31:49:89 | `Time i ... aint)}` | Cross-site scripting vulnerability due to $@. | dates.js:46:36:46:55 | window.location.hash | user-provided value |
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| dates.js:50:31:50:104 | `Time i ... aint)}` | dates.js:46:36:46:55 | window.location.hash | dates.js:50:31:50:104 | `Time i ... aint)}` | Cross-site scripting vulnerability due to $@. | dates.js:46:36:46:55 | window.location.hash | user-provided value |
13421378
| event-handler-receiver.js:2:31:2:83 | '<h2><a ... ></h2>' | event-handler-receiver.js:2:49:2:61 | location.href | event-handler-receiver.js:2:31:2:83 | '<h2><a ... ></h2>' | Cross-site scripting vulnerability due to $@. | event-handler-receiver.js:2:49:2:61 | location.href | user-provided value |
13431379
| express.js:7:15:7:33 | req.param("wobble") | express.js:7:15:7:33 | req.param("wobble") | express.js:7:15:7:33 | req.param("wobble") | Cross-site scripting vulnerability due to $@. | express.js:7:15:7:33 | req.param("wobble") | user-provided value |
13441380
| jquery.js:7:5:7:34 | "<div i ... + "\\">" | jquery.js:2:17:2:40 | documen ... .search | jquery.js:7:5:7:34 | "<div i ... + "\\">" | Cross-site scripting vulnerability due to $@. | jquery.js:2:17:2:40 | documen ... .search | user-provided value |

‎javascript/ql/test/query-tests/Security/CWE-079/DomBasedXss/XssWithAdditionalSources.expected‎

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Original file line numberDiff line numberDiff line change
@@ -151,6 +151,23 @@ nodes
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| dates.js:40:31:40:84 | `Time i ... aint)}` |
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| dates.js:40:42:40:82 | dayjs.f ... taint) |
153153
| dates.js:40:77:40:81 | taint |
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| dates.js:46:9:46:69 | taint |
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| dates.js:46:17:46:69 | decodeU ... ing(1)) |
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| dates.js:46:36:46:55 | window.location.hash |
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| dates.js:46:36:46:55 | window.location.hash |
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| dates.js:46:36:46:68 | window. ... ring(1) |
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| dates.js:48:31:48:90 | `Time i ... aint)}` |
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| dates.js:48:31:48:90 | `Time i ... aint)}` |
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| dates.js:48:42:48:88 | DateTim ... (taint) |
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| dates.js:48:83:48:87 | taint |
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| dates.js:49:31:49:89 | `Time i ... aint)}` |
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| dates.js:49:31:49:89 | `Time i ... aint)}` |
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| dates.js:49:42:49:87 | new Dat ... (taint) |
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| dates.js:49:82:49:86 | taint |
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| dates.js:50:31:50:104 | `Time i ... aint)}` |
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| dates.js:50:31:50:104 | `Time i ... aint)}` |
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| dates.js:50:42:50:102 | DateTim ... (taint) |
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| dates.js:50:97:50:101 | taint |
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| event-handler-receiver.js:2:31:2:83 | '<h2><a ... ></h2>' |
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| event-handler-receiver.js:2:31:2:83 | '<h2><a ... ></h2>' |
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| event-handler-receiver.js:2:49:2:61 | location.href |
@@ -841,6 +858,22 @@ edges
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| dates.js:40:42:40:82 | dayjs.f ... taint) | dates.js:40:31:40:84 | `Time i ... aint)}` |
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| dates.js:40:42:40:82 | dayjs.f ... taint) | dates.js:40:31:40:84 | `Time i ... aint)}` |
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| dates.js:40:77:40:81 | taint | dates.js:40:42:40:82 | dayjs.f ... taint) |
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| dates.js:46:9:46:69 | taint | dates.js:48:83:48:87 | taint |
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| dates.js:46:9:46:69 | taint | dates.js:49:82:49:86 | taint |
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| dates.js:46:9:46:69 | taint | dates.js:50:97:50:101 | taint |
864+
| dates.js:46:17:46:69 | decodeU ... ing(1)) | dates.js:46:9:46:69 | taint |
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| dates.js:46:36:46:55 | window.location.hash | dates.js:46:36:46:68 | window. ... ring(1) |
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| dates.js:46:36:46:55 | window.location.hash | dates.js:46:36:46:68 | window. ... ring(1) |
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| dates.js:46:36:46:68 | window. ... ring(1) | dates.js:46:17:46:69 | decodeU ... ing(1)) |
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| dates.js:48:42:48:88 | DateTim ... (taint) | dates.js:48:31:48:90 | `Time i ... aint)}` |
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| dates.js:48:42:48:88 | DateTim ... (taint) | dates.js:48:31:48:90 | `Time i ... aint)}` |
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| dates.js:48:83:48:87 | taint | dates.js:48:42:48:88 | DateTim ... (taint) |
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| dates.js:49:42:49:87 | new Dat ... (taint) | dates.js:49:31:49:89 | `Time i ... aint)}` |
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| dates.js:49:42:49:87 | new Dat ... (taint) | dates.js:49:31:49:89 | `Time i ... aint)}` |
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| dates.js:49:82:49:86 | taint | dates.js:49:42:49:87 | new Dat ... (taint) |
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| dates.js:50:42:50:102 | DateTim ... (taint) | dates.js:50:31:50:104 | `Time i ... aint)}` |
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| dates.js:50:42:50:102 | DateTim ... (taint) | dates.js:50:31:50:104 | `Time i ... aint)}` |
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| dates.js:50:97:50:101 | taint | dates.js:50:42:50:102 | DateTim ... (taint) |
844877
| event-handler-receiver.js:2:49:2:61 | location.href | event-handler-receiver.js:2:31:2:83 | '<h2><a ... ></h2>' |
845878
| event-handler-receiver.js:2:49:2:61 | location.href | event-handler-receiver.js:2:31:2:83 | '<h2><a ... ></h2>' |
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| event-handler-receiver.js:2:49:2:61 | location.href | event-handler-receiver.js:2:31:2:83 | '<h2><a ... ></h2>' |

‎javascript/ql/test/query-tests/Security/CWE-079/DomBasedXss/dates.js‎

Lines changed: 12 additions & 1 deletion
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@@ -38,4 +38,15 @@ function dateio() {
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document.body.innerHTML = `Time is ${luxon.formatByString(luxon.date(), taint)}`; // NOT OK
3939
document.body.innerHTML = `Time is ${moment.formatByString(moment.date(), taint)}`; // NOT OK
4040
document.body.innerHTML = `Time is ${dayjs.formatByString(dayjs.date(), taint)}`; // NOT OK
41-
}
41+
}
42+
43+
import { DateTime } from "luxon";
44+
45+
function luxon() {
46+
let taint = decodeURIComponent(window.location.hash.substring(1));
47+
48+
document.body.innerHTML = `Time is ${DateTime.now().plus({years: 1}).toFormat(taint)}`; // NOT OK
49+
document.body.innerHTML = `Time is ${new DateTime().setLocale('fr').toFormat(taint)}`; // NOT OK
50+
document.body.innerHTML = `Time is ${DateTime.fromISO("2020-01-01").startOf('day').toFormat(taint)}`; // NOT OK
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}
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