LBRYCommunity/bitcoinjs-lib
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

script: return malformed script if returned pushDataOut out of range

Browse source
This commit is contained in:
Daniel Cousens 2015-03-04 21:28:48 +11:00
parent d904e4424c
commit b6622b4cff
1 changed files with 4 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
src/script.js
View file

@ -41,8 +41,11 @@ Script.fromBuffer = function (buffer) {
// did reading a pushDataInt fail? return non-chunked script // did reading a pushDataInt fail? return non-chunked script
if (d === null) return new Script(buffer, []) if (d === null) return new Script(buffer, [])
i += d.size i += d.size
// attempt to read too much data?
if (i + d.number > buffer.length) return new Script(buffer, [])
var data = buffer.slice(i, i + d.number) var data = buffer.slice(i, i + d.number)
i += d.number i += d.number