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use small steps in TypeBackTracker correctly

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This commit is contained in:
Erik Krogh Kristensen
2022-07-11 16:22:54 +02:00
parent 2aaedacd5d
commit fd10947ca0
5 changed files with 23 additions and 3 deletions
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2
javascript/ql/lib/semmle/javascript/dataflow/TypeTracking.qll
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@@ -312,7 +312,7 @@ class TypeBackTracker extends TTypeBackTracker {
* result = < some API call >.getArgument(< n >)
* or
* exists (DataFlow::TypeBackTracker t2 |
* t = t2.smallstep(result, myType(t2))
* t2 = t.smallstep(result, myType(t2))
* )
* }
*

2
javascript/ql/lib/semmle/javascript/security/dataflow/UnsafeHtmlConstructionCustomizations.qll
View File

@@ -80,7 +80,7 @@ module UnsafeHtmlConstruction {
t.start() and
result = sink
or
exists(DataFlow::TypeBackTracker t2 | t = t2.smallstep(result, isUsedInXssSink(t2, sink)))
exists(DataFlow::TypeBackTracker t2 | t2 = t.smallstep(result, isUsedInXssSink(t2, sink)))
or
exists(DataFlow::TypeBackTracker t2 |
t.continue() = t2 and