Security readout for executives and security teams
Plain-English summary
This flaw affects legacy bitcoind and Bitcoin-Qt versions before 0.8.0rc1. A remote attacker could make a node waste heavy disk I/O during transaction handling, causing denial of service. The provided sources do not show code execution, data theft, CVSS scoring, or active exploitation.
Executive priority
Treat this as a legacy-technology cleanup issue unless old Bitcoin nodes still operate in business-critical environments. If such nodes exist, prioritize remediation because the impact is service disruption, not confidentiality loss.
Technical view
CTransaction::FetchInputs copied transactions from disk to memory before incrementally checking whether previous outputs were already spent. A crafted high-input Bitcoin transaction referencing many blockchain locations could force excessive disk reads and degrade node availability. Sources identify affected versions as before 0.8.0rc1.
Likely exposure
Exposure is likely limited to obsolete Bitcoin node software: bitcoind or Bitcoin-Qt before 0.8.0rc1. Modern maintained nodes are unlikely to be affected, but any archival, embedded, research, or forgotten legacy node should be checked.
Exploitation context
The bundle describes remote denial of service through disk I/O exhaustion. It does not include KEV status, active exploitation evidence, CVSS data, or proof that exploitation was observed in the wild.
Researcher notes
The public description is narrow and old. It names the vulnerable method and resource exhaustion mechanism but provides no CVSS, CWE, exploit telemetry, or detailed remediation note beyond the version boundary before 0.8.0rc1.
Mitigation direction
- Inventory any bitcoind or Bitcoin-Qt deployments and record exact versions.
- Upgrade or retire deployments older than 0.8.0rc1.
- Check Bitcoin project guidance before applying compensating controls.
- Isolate unavoidable legacy nodes from untrusted peer exposure.
- Monitor legacy nodes for unusual disk I/O during transaction processing.
Validation and detection
- Confirm no production node reports a version older than 0.8.0rc1.
- Review asset inventories for archived or embedded Bitcoin-Qt installations.
- Check monitoring for repeated disk I/O saturation on Bitcoin nodes.
- Verify legacy nodes are not exposed to untrusted peers.
- Document any exception with owner, purpose, and retirement date.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2013-2293 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://en.bitcoin.it/wiki/CVE-2013-2293CVE reference · x_refsource_CONFIRM
- https://bitcointalk.org/?topic=144122CVE reference · x_refsource_CONFIRM
- https://en.bitcoin.it/wiki/CVEsCVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.