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Python: Move LogInjection to new dataflow API

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Rasmus Wriedt Larsen
2023-08-25 16:06:08 +02:00
parent 88cf9c99b0
commit f75e65c67d
2 changed files with 18 additions and 5 deletions
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17
python/ql/lib/semmle/python/security/dataflow/LogInjectionQuery.qll
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@@ -1,5 +1,5 @@
/**
* Provides a taint-tracking configuration for tracking untrusted user input used in log entries.
* Provides a taint-tracking configuration for tracking "log injection" vulnerabilities.
*
* Note, for performance reasons: only import this file if
* `LogInjection::Configuration` is needed, otherwise
@@ -12,9 +12,11 @@ import semmle.python.dataflow.new.TaintTracking
import LogInjectionCustomizations::LogInjection
/**
* DEPRECATED: Use `LogInjectionFlow` module instead.
*
* A taint-tracking configuration for tracking untrusted user input used in log entries.
*/
class Configuration extends TaintTracking::Configuration {
deprecated class Configuration extends TaintTracking::Configuration {
Configuration() { this = "LogInjection" }
override predicate isSource(DataFlow::Node source) { source instanceof Source }
@@ -27,3 +29,14 @@ class Configuration extends TaintTracking::Configuration {
guard instanceof SanitizerGuard
}
}
private module LogInjectionConfig implements DataFlow::ConfigSig {
predicate isSource(DataFlow::Node source) { source instanceof Source }
predicate isSink(DataFlow::Node sink) { sink instanceof Sink }
predicate isBarrier(DataFlow::Node node) { node instanceof Sanitizer }
}
/** Global taint-tracking for detecting "log injection" vulnerabilities. */
module LogInjectionFlow = TaintTracking::Global<LogInjectionConfig>;