Vulnerability in Bitcoin Core
CVE-2012-1909
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.029 (86.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: 0.000
Affected products
- Bitcoin Core — versions 0.3.4, 0.3.5, 0.3.8
- Bitcoin Wxbitcoin
Weakness classification (CWE)
Public proof-of-concept exploits
References
- en.bitcoin.it/wiki/BIP_0030 (Vendor Advisory)
- github.com/sipa/bitcoin/commit/a206b0ea12eb4606b93323268fc81a4f1f952531 (Exploit, Patch)
- sourceforge.net/mailarchive/forum.php (mailing-list)
- en.bitcoin.it/wiki/CVEs (Vendor Advisory)
- bugs.gentoo.org/show_bug.cgi
- bitcointalk.org/index.php
- r6.ca/blog/20120206T005236Z.html
Frequently asked questions
- What is CVE-2012-1909?
- CVE-2012-1909 is a vulnerability in Bitcoin Core, classified under CWE-16. Published 2012-08-06.
- Is CVE-2012-1909 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.