CVE-2013-4165

high

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.

References

https://github.com/bitcoin/bitcoin/pull/2845

https://github.com/bitcoin/bitcoin/issues/2838

http://openwall.com/lists/oss-security/2013/07/25/5

Details

Source: Mitre, NVD

Published: 2013-08-02

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Severity: High

EPSS

EPSS: 0.00113