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Go: Improved JWT query, JWT decoding without verification #14075

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Merged
owen-mc merged 21 commits into from
Oct 11, 2023
Merged

Go: Improved JWT query, JWT decoding without verification #14075

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68392e7
V1
am0o0 Aug 28, 2023
40ff16b
Merge branch 'main' into amammad-go-JWT
am0o0 Aug 29, 2023
bc6a0fc
move to CWE-347
am0o0 Sep 18, 2023
2136929
clean tests
am0o0 Sep 19, 2023
1e12a86
Merge branch 'main' into amammad-go-JWT
am0o0 Sep 19, 2023
a96b001
clean tests
am0o0 Sep 19, 2023
da864bf
fix QLDoc
am0o0 Sep 19, 2023
c78f390
add go generate support, upgrade JWT.qll
am0o0 Sep 27, 2023
8d47a7b
Update python/ql/lib/semmle/python/security/dataflow/PathInjectionQue…
am0o0 Sep 28, 2023
f0f60c3
move JWT.qll to experimental
am0o0 Sep 30, 2023
aa127b1
do review improvements
am0o0 Oct 6, 2023
7d73808
fix a test mistake, add comments for JWT extension points
am0o0 Oct 6, 2023
7d36c23
fix qhelp and PascalCase issues
am0o0 Oct 6, 2023
2579791
fix examples
am0o0 Oct 9, 2023
38b0ed8
fix issues according to codereview
am0o0 Oct 10, 2023
82483a2
fix tests
am0o0 Oct 10, 2023
db9f74b
fix tests
am0o0 Oct 10, 2023
877605d
change c to C for fixing the qhelp error :)
am0o0 Oct 10, 2023
4499048
better query quality thanks to owen
am0o0 Oct 10, 2023
5e27323
fix qldoc
am0o0 Oct 11, 2023
8a3aa2c
Fix formatting
owen-mc Oct 11, 2023
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fix QLDoc
  • Loading branch information
@am0o0
am0o0 committed Sep 19, 2023
commit da864bf7f7f7094306f1e76455c518636a49c8f6
27 changes: 26 additions & 1 deletion go/ql/lib/semmle/go/security/JWT.qll
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Original file line number Diff line number Diff line change
@@ -1,7 +1,10 @@
import go

/**
* A class that contains the following function and method:
*
* func (p *Parser) Parse(tokenString string, keyFunc Keyfunc)
*
* func Parse(tokenString string, keyFunc Keyfunc)
*/
class GolangJwtParse extends Function {
Expand Down Expand Up @@ -33,7 +36,10 @@ class GolangJwtParse extends Function {
}

/**
* A class that contains the following function and method:
*
* func (p *Parser) Parse(tokenString string, keyFunc Keyfunc)
*
* func Parse(tokenString string, keyFunc Keyfunc)
*/
class GolangJwtValidField extends DataFlow::FieldReadNode {
Expand All @@ -48,7 +54,10 @@ class GolangJwtValidField extends DataFlow::FieldReadNode {
}

/**
* A class that contains the following function and method:
*
* func (p *Parser) ParseWithClaims(tokenString string, claims Claims, keyFunc Keyfunc)
*
* func ParseWithClaims(tokenString string, claims Claims, keyFunc Keyfunc)
*/
class GolangJwtParseWithClaims extends Function {
Expand Down Expand Up @@ -80,6 +89,8 @@ class GolangJwtParseWithClaims extends Function {
}

/**
* A class that contains the following method:
*
* func (p *Parser) ParseUnverified(tokenString string, claims Claims)
*/
class GolangJwtParseUnverified extends Function {
Expand All @@ -97,6 +108,8 @@ class GolangJwtParseUnverified extends Function {
}

/**
* A class that contains the following function:
*
* func ParseFromRequest(req *http.Request, extractor Extractor, keyFunc jwt.Keyfunc, options ...ParseFromRequestOption)
*/
class GolangJwtParseFromRequest extends Function {
Expand All @@ -117,6 +130,8 @@ class GolangJwtParseFromRequest extends Function {
}

/**
* A class that contains the following function:
*
* func ParseFromRequestWithClaims(req *http.Request, extractor Extractor, claims jwt.Claims, keyFunc jwt.Keyfunc)
*/
class GolangJwtParseFromRequestWithClaims extends Function {
Expand All @@ -137,6 +152,8 @@ class GolangJwtParseFromRequestWithClaims extends Function {
}

/**
* A class that contains the following method:
*
*func (t *JSONWebToken) Claims(key interface{}, dest ...interface{})
*/
class GoJoseClaims extends Function {
Expand All @@ -159,7 +176,9 @@ class GoJoseClaims extends Function {
}

/**
* func (t *JSONWebToken) UnsafeClaimsWithoutVerification(dest ...interface{})
* A class that contains the following method:
*
* func (t *JSONWebToken) UnsafeClaimsWithoutVerification(dest ...interface{})
*/
class GoJoseUnsafeClaims extends Function {
GoJoseUnsafeClaims() {
Expand All @@ -176,6 +195,9 @@ class GoJoseUnsafeClaims extends Function {
}
}

/**
* Holds if there are additioanl steps related to parsing the secret keys
*/
predicate golangJwtIsAdditionalFlowStep(DataFlow::Node nodeFrom, DataFlow::Node nodeTo) {
exists(DataFlow::Function f, DataFlow::CallNode call |
f.hasQualifiedName([
Expand Down Expand Up @@ -213,6 +235,9 @@ predicate golangJwtIsAdditionalFlowStep(DataFlow::Node nodeFrom, DataFlow::Node
)
}

/**
* Holds if there are additioanl steps related to parsing the secret keys
*/
predicate goJoseIsAdditionalFlowStep(DataFlow::Node nodeFrom, DataFlow::Node nodeTo) {
exists(DataFlow::Function f, DataFlow::CallNode call |
f.hasQualifiedName([
Expand Down