Add support for multiple sink types per query

This commit is contained in:
tiferet
2023-02-02 12:48:54 -08:00
parent a7269075e2
commit 65923ed2c1
3 changed files with 17 additions and 8 deletions

View File

@@ -57,15 +57,23 @@ abstract class AtmConfig extends TaintTracking::Configuration {
/**
* EXPERIMENTAL. This API may change in the future.
*
* Holds if `sink` is a known sink of flow.
* Holds if `sink` is a known sink of for this query
*/
final predicate isKnownSink(DataFlow::Node sink) {
// If the list of characteristics includes positive indicators with maximal confidence for this class, then it's a
// known sink for the class.
isKnownSink(sink, this.getASinkEndpointType())
}
/**
* Holds if `sink` is a known sink for this query of type `sinkType`.
*/
final predicate isKnownSink(DataFlow::Node sink, EndpointType sinkType) {
// If the list of characteristics includes positive indicators with maximal confidence for this class, then it's a
// known sink for the class.
exists(EndpointCharacteristics::EndpointCharacteristic characteristic |
characteristic.appliesToEndpoint(sink) and
characteristic
.hasImplications(this.getASinkEndpointType(), true, characteristic.maximalConfidence())
characteristic.hasImplications(sinkType, true, characteristic.maximalConfidence())
)
}
@@ -121,7 +129,7 @@ abstract class AtmConfig extends TaintTracking::Configuration {
/**
* EXPERIMENTAL. This API may change in the future.
*
* Get an endpoint type for the sinks of this query. A query may have multiple applicable
* Get all sink types that can be sinks for this query. A query may have multiple applicable
* endpoint types for its sinks.
*/
abstract EndpointType getASinkEndpointType();

View File

@@ -10,6 +10,7 @@
private import java
import semmle.code.java.dataflow.TaintTracking
private import experimental.adaptivethreatmodeling.EndpointCharacteristics as EndpointCharacteristics
private import experimental.adaptivethreatmodeling.EndpointTypes
private import experimental.adaptivethreatmodeling.ATMConfig as AtmConfig
private import experimental.adaptivethreatmodeling.SqlInjectionATM as SqlInjectionAtm
private import experimental.adaptivethreatmodeling.TaintedPathATM as TaintedPathAtm
@@ -21,9 +22,9 @@ private import experimental.adaptivethreatmodeling.RequestForgeryATM as RequestF
* the ML-gnerarated, noisy sinks will end up poluting the positive examples used in the prompt!
*/
from DataFlow::Node sink, AtmConfig::AtmConfig config, string message
from DataFlow::Node sink, AtmConfig::AtmConfig config, EndpointType sinkType, string message
where
config.isKnownSink(sink) and
config.isKnownSink(sink, sinkType) and
// If there are _any_ erroneous endpoints, return nothing. This will prevent us from accidentally running this query
// when there's a codex-generated data extension file in `java/ql/lib/ext`.
not EndpointCharacteristics::erroneousEndpoints(_, _, _, _, _) and
@@ -32,7 +33,7 @@ where
// `isSink(n) and not isSanitizer(n)`. We don't want to include such nodes as positive examples in the prompt.
not config.isSanitizer(sink) and
message =
config.getASinkEndpointType().getDescription() + "\n" +
sinkType.getDescription() + "\n" +
// Extract the needed metadata for this endpoint.
any(string metadata | EndpointCharacteristics::hasMetadata(sink, metadata))
select sink, message

View File

@@ -28,7 +28,7 @@ where
config.isSinkCandidateWithFlow(sinkPathNode) and
sinkPathNode.getNode() = sink
|
config.getASinkEndpointType().getDescription(), ", "
config, ", "
) + "\n" +
// Extract the needed metadata for this endpoint.
any(string metadata | EndpointCharacteristics::hasMetadata(sink, metadata))