CVE-2012-1909: Medium severity bitcoin vulnerability
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.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2012-1909?
The severity of CVE-2012-1909 is classified as medium due to its potential for causing denial of service.
How do I fix CVE-2012-1909?
To fix CVE-2012-1909, you should upgrade to a version of Bitcoin that is 0.4.4 or later.
Who is affected by CVE-2012-1909?
CVE-2012-1909 affects users running bitcoind versions before 0.4.4, wxBitcoin, and Bitcoin-Qt.
What kind of attack can exploit CVE-2012-1909?
CVE-2012-1909 can be exploited by remote attackers to create unspendable transactions, resulting in a denial of service.
Is CVE-2012-1909 related to duplicate transactions?
Yes, CVE-2012-1909 involves improper handling of multiple transactions with the same identifier, leading to potential transaction issues.