CVE-2023-50428

In Bitcoin Core through 26.0 and Bitcoin Knots before 25.1.knots20231115, datacarrier size limits can be bypassed by obfuscating data as code (e.g., with OP_FALSE OP_IF), as exploited in the wild by Inscriptions in 2022 and 2023. NOTE: although this is a vulnerability from the perspective of the Bitcoin Knots project, some others consider it "not a bug."

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures	Third Party Advisory
https://github.com/bitcoin/bitcoin/blob/65c05db660b2ca1d0076b0d8573a6760b3228068/src/kernel/mempool_options.h#L46-L53
https://github.com/bitcoin/bitcoin/pull/28408#issuecomment-1844981799	Issue Tracking
https://github.com/bitcoin/bitcoin/tags	Product
https://github.com/bitcoinknots/bitcoin/blob/aed49ce8989334c364a219a6eb016a3897d4e3d7/doc/release-notes.md	Release Notes
https://twitter.com/LukeDashjr/status/1732204937466032285	Issue Tracking Third Party Advisory
https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures	Third Party Advisory
https://github.com/bitcoin/bitcoin/blob/65c05db660b2ca1d0076b0d8573a6760b3228068/src/kernel/mempool_options.h#L46-L53
https://github.com/bitcoin/bitcoin/pull/28408#issuecomment-1844981799	Issue Tracking
https://github.com/bitcoin/bitcoin/tags	Product
https://github.com/bitcoinknots/bitcoin/blob/aed49ce8989334c364a219a6eb016a3897d4e3d7/doc/release-notes.md	Release Notes
https://twitter.com/LukeDashjr/status/1732204937466032285	Issue Tracking Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:bitcoin:bitcoin_core::::::::
	cpe:2.3:a:bitcoinknots:bitcoin_knots::::::::

History

No history.

Information

Published : 2023-12-09 19:15

Updated : 2024-11-21 08:36

NVD link : CVE-2023-50428

Mitre link : CVE-2023-50428

CVE.ORG link : CVE-2023-50428

JSON object : View

Products Affected

bitcoin

bitcoin_core

bitcoinknots

bitcoin_knots

CWE

NVD-CWE-noinfo

{"id": "CVE-2023-50428", "cveTags": [{"tags": ["disputed"], "sourceIdentifier": "cve@mitre.org"}], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "published": "2023-12-09T19:15:07.977", "references": [{"url": "https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/bitcoin/bitcoin/blob/65c05db660b2ca1d0076b0d8573a6760b3228068/src/kernel/mempool_options.h#L46-L53", "source": "cve@mitre.org"}, {"url": "https://github.com/bitcoin/bitcoin/pull/28408#issuecomment-1844981799", "tags": ["Issue Tracking"], "source": "cve@mitre.org"}, {"url": "https://github.com/bitcoin/bitcoin/tags", "tags": ["Product"], "source": "cve@mitre.org"}, {"url": "https://github.com/bitcoinknots/bitcoin/blob/aed49ce8989334c364a219a6eb016a3897d4e3d7/doc/release-notes.md", "tags": ["Release Notes"], "source": "cve@mitre.org"}, {"url": "https://twitter.com/LukeDashjr/status/1732204937466032285", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/bitcoin/bitcoin/blob/65c05db660b2ca1d0076b0d8573a6760b3228068/src/kernel/mempool_options.h#L46-L53", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/bitcoin/bitcoin/pull/28408#issuecomment-1844981799", "tags": ["Issue Tracking"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/bitcoin/bitcoin/tags", "tags": ["Product"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/bitcoinknots/bitcoin/blob/aed49ce8989334c364a219a6eb016a3897d4e3d7/doc/release-notes.md", "tags": ["Release Notes"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://twitter.com/LukeDashjr/status/1732204937466032285", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "In Bitcoin Core through 26.0 and Bitcoin Knots before 25.1.knots20231115, datacarrier size limits can be bypassed by obfuscating data as code (e.g., with OP_FALSE OP_IF), as exploited in the wild by Inscriptions in 2022 and 2023. NOTE: although this is a vulnerability from the perspective of the Bitcoin Knots project, some others consider it \"not a bug.\""}, {"lang": "es", "value": "En Bitcoin Core hasta 26.0 y Bitcoin Knots anteriores a 25.1.knots20231115, los l\u00edmites de tama\u00f1o del portador de datos se pueden eludir ofuscando los datos como c\u00f3digo (por ejemplo, con OP_FALSE OP_IF), tal como lo explot\u00f3 Inscriptions en 2022 y 2023."}], "lastModified": "2024-11-21T08:36:57.957", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:bitcoin:bitcoin_core:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B1179DE7-9710-433D-83B8-0CE1A7CC8BF7", "versionEndIncluding": "26.0", "versionStartIncluding": "0.9"}, {"criteria": "cpe:2.3:a:bitcoinknots:bitcoin_knots:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "42AEEA35-5598-4E0A-B693-5D0918ED30B7", "versionEndExcluding": "25.1", "versionStartIncluding": "0.9"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}