CVE-2013-4165 Information

Description

The HTTPAuthorized function in bitcoinrpc.cpp in bitcoind 0.8.1 provides information about authentication failure upon detecting the first incorrect byte of a password which makes it easier for remote attackers to determine passwords via a timing side-channel attack.

Reference

http://openwall.com/lists/oss-security/2013/07/25/5 https://github.com/bitcoin/bitcoin/issues/2838 https://github.com/bitcoin/bitcoin/pull/2845