Buffer overflow in Bitcoin Core
CVE-2010-5140
wxBitcoin and bitcoind before 0.3.13 do not properly handle bitcoins associated with Bitcoin transactions that have zero confirmations, which allows remote attackers to cause a denial of service (invalid-transaction flood) by sending low-valued transactions without transaction fees.
Vulnerability class: Buffer Overflow
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: 0.023 (82.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000
Affected products
- Bitcoin Core — versions 0.3.4, 0.3.5, 0.3.8
- Bitcoin Wxbitcoin — versions 0.3.4, 0.3.5, 0.3.8
Weakness classification (CWE)
Public proof-of-concept exploits
References
- en.bitcoin.it/wiki/CVEs (Vendor Advisory)
- www.bitcoin.org/smf/index.php
Frequently asked questions
- What is CVE-2010-5140?
- CVE-2010-5140 is a vulnerability in Bitcoin Core, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2012-08-06.
- Is CVE-2010-5140 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.