Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Bitcoin | Bitcoin Core | All versions |
| Bitcoin | Wxbitcoin | All versions |
Related Weaknesses (CWE)
References
- http://r6.ca/blog/20120206T005236Z.html
- http://sourceforge.net/mailarchive/forum.php?thread_name=CAPg%2BsBhmGHnMResVxPDZ
- https://bitcointalk.org/index.php?topic=67738.0
- https://bugs.gentoo.org/show_bug.cgi?id=407793
- https://en.bitcoin.it/wiki/BIP_0030Vendor Advisory
- https://en.bitcoin.it/wiki/CVEsVendor Advisory
- https://github.com/sipa/bitcoin/commit/a206b0ea12eb4606b93323268fc81a4f1f952531ExploitPatch
- http://r6.ca/blog/20120206T005236Z.html
- http://sourceforge.net/mailarchive/forum.php?thread_name=CAPg%2BsBhmGHnMResVxPDZ
- https://bitcointalk.org/index.php?topic=67738.0
- https://bugs.gentoo.org/show_bug.cgi?id=407793
- https://en.bitcoin.it/wiki/BIP_0030Vendor Advisory
- https://en.bitcoin.it/wiki/CVEsVendor Advisory
- https://github.com/sipa/bitcoin/commit/a206b0ea12eb4606b93323268fc81a4f1f952531ExploitPatch
FAQ
What is CVE-2012-1909?
CVE-2012-1909 is a vulnerability with a CVSS score of 5.0 (MEDIUM). 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 attacker...
How severe is CVE-2012-1909?
CVE-2012-1909 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2012-1909?
Check the references section above for vendor advisories and patch information. Affected products include: Bitcoin Bitcoin Core, Bitcoin Wxbitcoin.