Merge pull request #2452 from ethereum/fixPassingEmptyString

Fix passing empty string

2 files changed, 39 insertions, 1 deletions

diff --git a/docs/bugs.json b/docs/bugs.json
index 1a67d626..a0c0e7c4 100644
--- a/docs/bugs.json
+++ b/docs/bugs.json
@@ -1,5 +1,12 @@
 [
     {
+        "name": "SkipEmptyStringLiteral",
+	"summary": "If \"\" is used in a function call, the following function arguments will not be correctly passed to the function.",
+        "description": "If the empty string literal \"\" is used as an argument in a function call, it is skipped by the encoder. This has the effect that the encoding of all arguments following this is shifted left by 32 bytes and thus the function call data is corrupted.",
+        "fixed": "0.4.12",
+        "severity": "low"
+    },
+    {
         "name": "ConstantOptimizerSubtraction",
         "summary": "In some situations, the optimizer replaces certain numbers in the code with routines that compute different numbers.",
         "description": "The optimizer tries to represent any number in the bytecode by routines that compute them with less gas. For some special numbers, an incorrect routine is generated. This could allow an attacker to e.g. trick victims about a specific amount of ether, or function calls to call different functions (or none at all).",
diff --git a/docs/bugs_by_version.json b/docs/bugs_by_version.json
index 0f7346b4..1be05f3c 100644
--- a/docs/bugs_by_version.json
+++ b/docs/bugs_by_version.json
@@ -1,6 +1,7 @@
 {
     "0.1.0": {
         "bugs": [
+            "SkipEmptyStringLiteral", 
             "ConstantOptimizerSubtraction", 
             "IdentityPrecompileReturnIgnored", 
             "OptimizerStaleKnowledgeAboutSHA3", 
@@ -15,6 +16,7 @@
     }, 
     "0.1.1": {
         "bugs": [
+            "SkipEmptyStringLiteral", 
             "ConstantOptimizerSubtraction", 
             "IdentityPrecompileReturnIgnored", 
             "OptimizerStaleKnowledgeAboutSHA3", 
@@ -29,6 +31,7 @@
     }, 
     "0.1.2": {
         "bugs": [
+            "SkipEmptyStringLiteral", 
             "ConstantOptimizerSubtraction", 
             "IdentityPrecompileReturnIgnored", 
             "OptimizerStaleKnowledgeAboutSHA3", 
@@ -43,6 +46,7 @@
     }, 
     "0.1.3": {
         "bugs": [
+            "SkipEmptyStringLiteral", 
             "ConstantOptimizerSubtraction", 
             "IdentityPrecompileReturnIgnored", 
             "OptimizerStaleKnowledgeAboutSHA3", 
@@ -57,6 +61,7 @@
     }, 
     "0.1.4": {
         "bugs": [
+            "SkipEmptyStringLiteral", 
             "ConstantOptimizerSubtraction", 
             "IdentityPrecompileReturnIgnored", 
             "OptimizerStaleKnowledgeAboutSHA3", 
@@ -71,6 +76,7 @@
     }, 
     "0.1.5": {
         "bugs": [
+            "SkipEmptyStringLiteral", 
             "ConstantOptimizerSubtraction", 
             "IdentityPrecompileReturnIgnored", 
             "OptimizerStaleKnowledgeAboutSHA3", 
@@ -85,6 +91,7 @@
     }, 
     "0.1.6": {
         "bugs": [
+            "SkipEmptyStringLiteral", 
             "ConstantOptimizerSubtraction", 
             "IdentityPrecompileReturnIgnored", 
             "HighOrderByteCleanStorage", 
@@ -100,6 +107,7 @@
     }, 
     "0.1.7": {
         "bugs": [
+            "SkipEmptyStringLiteral", 
             "ConstantOptimizerSubtraction", 
             "IdentityPrecompileReturnIgnored", 
             "HighOrderByteCleanStorage", 
@@ -115,6 +123,7 @@
     }, 
     "0.2.0": {
         "bugs": [
+            "SkipEmptyStringLiteral", 
             "ConstantOptimizerSubtraction", 
             "IdentityPrecompileReturnIgnored", 
             "HighOrderByteCleanStorage", 
@@ -130,6 +139,7 @@
     }, 
     "0.2.1": {
         "bugs": [
+            "SkipEmptyStringLiteral", 
             "ConstantOptimizerSubtraction", 
             "IdentityPrecompileReturnIgnored", 
             "HighOrderByteCleanStorage", 
@@ -145,6 +155,7 @@
     }, 
     "0.2.2": {
         "bugs": [
+            "SkipEmptyStringLiteral", 
             "ConstantOptimizerSubtraction", 
             "IdentityPrecompileReturnIgnored", 
             "HighOrderByteCleanStorage", 
@@ -160,6 +171,7 @@
     }, 
     "0.3.0": {
         "bugs": [
+            "SkipEmptyStringLiteral", 
             "ConstantOptimizerSubtraction", 
             "IdentityPrecompileReturnIgnored", 
             "HighOrderByteCleanStorage", 
@@ -174,6 +186,7 @@
     }, 
     "0.3.1": {
         "bugs": [
+            "SkipEmptyStringLiteral", 
             "ConstantOptimizerSubtraction", 
             "IdentityPrecompileReturnIgnored", 
             "HighOrderByteCleanStorage", 
@@ -187,6 +200,7 @@
     }, 
     "0.3.2": {
         "bugs": [
+            "SkipEmptyStringLiteral", 
             "ConstantOptimizerSubtraction", 
             "IdentityPrecompileReturnIgnored", 
             "HighOrderByteCleanStorage", 
@@ -200,6 +214,7 @@
     }, 
     "0.3.3": {
         "bugs": [
+            "SkipEmptyStringLiteral", 
             "ConstantOptimizerSubtraction", 
             "IdentityPrecompileReturnIgnored", 
             "HighOrderByteCleanStorage", 
@@ -212,6 +227,7 @@
     }, 
     "0.3.4": {
         "bugs": [
+            "SkipEmptyStringLiteral", 
             "ConstantOptimizerSubtraction", 
             "IdentityPrecompileReturnIgnored", 
             "HighOrderByteCleanStorage", 
@@ -224,6 +240,7 @@
     }, 
     "0.3.5": {
         "bugs": [
+            "SkipEmptyStringLiteral", 
             "ConstantOptimizerSubtraction", 
             "IdentityPrecompileReturnIgnored", 
             "HighOrderByteCleanStorage", 
@@ -236,6 +253,7 @@
     }, 
     "0.3.6": {
         "bugs": [
+            "SkipEmptyStringLiteral", 
             "ConstantOptimizerSubtraction", 
             "IdentityPrecompileReturnIgnored", 
             "HighOrderByteCleanStorage", 
@@ -246,6 +264,7 @@
     }, 
     "0.4.0": {
         "bugs": [
+            "SkipEmptyStringLiteral", 
             "ConstantOptimizerSubtraction", 
             "IdentityPrecompileReturnIgnored", 
             "HighOrderByteCleanStorage", 
@@ -256,6 +275,7 @@
     }, 
     "0.4.1": {
         "bugs": [
+            "SkipEmptyStringLiteral", 
             "ConstantOptimizerSubtraction", 
             "IdentityPrecompileReturnIgnored", 
             "HighOrderByteCleanStorage", 
@@ -266,16 +286,20 @@
     }, 
     "0.4.10": {
         "bugs": [
+            "SkipEmptyStringLiteral", 
             "ConstantOptimizerSubtraction"
         ], 
         "released": "2017-03-15"
     }, 
     "0.4.11": {
-        "bugs": [], 
+        "bugs": [
+            "SkipEmptyStringLiteral"
+        ], 
         "released": "2017-05-03"
     }, 
     "0.4.2": {
         "bugs": [
+            "SkipEmptyStringLiteral", 
             "ConstantOptimizerSubtraction", 
             "IdentityPrecompileReturnIgnored", 
             "HighOrderByteCleanStorage", 
@@ -285,6 +309,7 @@
     }, 
     "0.4.3": {
         "bugs": [
+            "SkipEmptyStringLiteral", 
             "ConstantOptimizerSubtraction", 
             "IdentityPrecompileReturnIgnored", 
             "HighOrderByteCleanStorage"
@@ -293,6 +318,7 @@
     }, 
     "0.4.4": {
         "bugs": [
+            "SkipEmptyStringLiteral", 
             "ConstantOptimizerSubtraction", 
             "IdentityPrecompileReturnIgnored"
         ], 
@@ -300,6 +326,7 @@
     }, 
     "0.4.5": {
         "bugs": [
+            "SkipEmptyStringLiteral", 
             "ConstantOptimizerSubtraction", 
             "IdentityPrecompileReturnIgnored", 
             "OptimizerStateKnowledgeNotResetForJumpdest"
@@ -308,6 +335,7 @@
     }, 
     "0.4.6": {
         "bugs": [
+            "SkipEmptyStringLiteral", 
             "ConstantOptimizerSubtraction", 
             "IdentityPrecompileReturnIgnored"
         ], 
@@ -315,18 +343,21 @@
     }, 
     "0.4.7": {
         "bugs": [
+            "SkipEmptyStringLiteral", 
             "ConstantOptimizerSubtraction"
         ], 
         "released": "2016-12-15"
     }, 
     "0.4.8": {
         "bugs": [
+            "SkipEmptyStringLiteral", 
             "ConstantOptimizerSubtraction"
         ], 
         "released": "2017-01-13"
     }, 
     "0.4.9": {
         "bugs": [
+            "SkipEmptyStringLiteral", 
             "ConstantOptimizerSubtraction"
         ], 
         "released": "2017-01-31"