Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2012-1909

Severity CVSS v4.0:
Pending analysis
Type:
CWE-16 Configuration Errors
Publication date:
06/08/2012
Last modified:
11/04/2025

Description

The Bitcoin protocol, as used in bitcoind before 0.4.4, wxBitcoin, Bitcoin-Qt, and other programs, does not properly handle multiple transactions with the same identifier, which allows remote attackers to cause a denial of service (unspendable transaction) by leveraging the ability to create a duplicate coinbase transaction.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:bitcoin:bitcoin_core:*:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:*:rc2:*:*:*:*:*:* 0.4.4 (including)
cpe:2.3:a:bitcoin:bitcoin_core:0.3.4:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.3.5:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.3.8:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.3.10:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.3.11:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.3.12:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.4.0:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.4.1:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.4.1:rc6:*:*:*:*:*:*
cpe:2.3:a:bitcoin:wxbitcoin:*:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools