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CVE-2012-4684

7.8 · HIGH

The alert functionality in bitcoind and Bitcoin-Qt before 0.7.0 supports different character representations of the same signature data, but relies on a hash of this signature, which allows remote…

Published Mar 12, 2013bitcoinCWE-399EPSS 2.86%

Overview

CVE-2012-4684 is a high-severity vulnerability affecting bitcoin bitcoin-qt. It was published on March 12, 2013 and has a CVSS 2.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The alert functionality in bitcoind and Bitcoin-Qt before 0.7.0 supports different character representations of the same signature data, but relies on a hash of this signature, which allows remote attackers to cause a denial of service (resource consumption) via a valid modified signature for a circulating alert.

Remediation

Check the references section for vendor advisories and patches from bitcoin. Update bitcoin-qt to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refbitcointalk.org/index.php?topic=148109.0Refbitcointalk.org/index.php?topic=8392.0Refen.bitcoin.it/wiki/CVE-2012-4684Refen.bitcoin.it/wiki/CVEsRefbitcointalk.org/index.php?topic=148109.0Refbitcointalk.org/index.php?topic=8392.0Refen.bitcoin.it/wiki/CVE-2012-4684Refen.bitcoin.it/wiki/CVEs

How CyberStrike helps

Frequently asked questions

What is CVE-2012-4684?

CVE-2012-4684 is a high-severity vulnerability affecting bitcoin bitcoin-qt. It was published on March 12, 2013 and has a CVSS 2.0 base score of 7.8 (HIGH).

How severe is CVE-2012-4684?

This vulnerability has a CVSS 2.0 base score of 7.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2012-4684?

Check the references section for vendor advisories and patches from bitcoin. Update bitcoin-qt to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2012-4684?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2012-4684 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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