Summaryinfo

A vulnerability identified as problematic has been detected in Bitcoin Project bitcoind 0.8.1. This issue affects some unknown processing of the component RPC Authentication Mechanism. This manipulation causes information disclosure. The identification of this vulnerability is CVE-2013-4165. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability classified as problematic was found in Bitcoin Project bitcoind 0.8.1 (Project Management Software). Affected by this vulnerability is some unknown functionality of the component RPC Authentication Mechanism. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

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.

The weakness was shared 07/20/2013 as not defined git commit (GIT Repository). It is possible to read the advisory at github.com. The vendor cooperated in the coordination of the public release. This vulnerability is known as CVE-2013-4165 since 06/12/2013. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

After immediately, there has been an exploit disclosed. It is possible to download the exploit at github.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at OSVDB (95618†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Project Management Software

Vendor

• Bitcoin Project

Name

• bitcoind

Version

• 0.8.1

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

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• 🔍

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