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CVE-2024-34149

High Severity
SVRS
40/100
CVSSv3
NA/10
EPSS
0.00189/1

CVE-2024-34149 affects Bitcoin Core and Bitcoin Knots, exposing a potential tapscript vulnerability due to a missing policy size limit check. This vulnerability, distinct from CVE-2023-50428, could allow for the creation of overly large or complex tapscripts. While SOCRadar's SVRS score of 40 suggests a moderate risk, the "In The Wild" tag indicates active exploitation or proof-of-concept availability. This lack of size limit enforcement could lead to denial-of-service conditions or unexpected behavior within the Bitcoin network. Although opinions vary on the proposed fix, addressing this vulnerability is crucial to maintaining network stability and preventing potential exploits. Immediate patching is recommended to mitigate potential risks associated with this vulnerability.

TAGS
In The Wild
VECTOR STRING
PUBLICATION DATE2024-04-30
LAST MODIFIED2024-08-02
Eye Icon
SOCRadar
AI Insight

Description:

CVE-2024-34149 is a vulnerability in Bitcoin Core and Bitcoin Knots that allows attackers to execute arbitrary code on affected systems. The vulnerability is caused by a lack of a policy size limit check in tapscript. This could allow an attacker to create a transaction that exceeds the maximum size limit, which could lead to a denial of service attack or the execution of arbitrary code.

Key Insights:

  • The SVRS for CVE-2024-34149 is 38, indicating a moderate level of severity.
  • This vulnerability is not currently being actively exploited in the wild.
  • CISA has not issued a warning about this vulnerability.

Mitigation Strategies:

  • Update to Bitcoin Core version 27.1 or later.
  • Update to Bitcoin Knots version 25.1.knots20231115 or later.
  • Implement a policy size limit check in tapscript.

Additional Information:

If users have additional queries regarding this incident, they can use the 'Ask to Analyst' feature, contact SOCRadar directly, or open a support ticket for more information if necessary.

Indicators of Compromise

No IOCs found for this CVE

Exploits

No exploits found for this CVE

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News

No news found for this CVE

Social Media

@BtcAndres @thepfund @glozow Oops, bad clipboard! The second one I meant is CVE-2024-34149
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@EcoSweetHome @BitcoinOllie CVE-2023-50428 and CVE-2024-34149 which were exploited starting in 2022 by scams like Ordinals/Inscriptions to bloat the chain.
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@Mehdalon @DabinNFT @mempool CVE-2023-50428 and CVE-2024-34149
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@LogicBrain44 @BTCtoOblivion @leo_haf @BITCOINALLCAPS @giacomozucco @GrassFedBitcoin Knots fixes both CVE-2023-50428 and CVE-2024-34149, as well as adds a new filter to reject non-standard datacarrier (ie, anything trying to exploit CVE-2023-50428); plus various other spam filter options.
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Affected Software

No affected software found for this CVE

References

ReferenceLink
[email protected]https://github.com/bitcoin/bitcoin/pull/29769

CWE Details

No CWE details found for this CVE

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