84539 : wxBitcoin / bitcoind Bitcoin Transaction OP_LSHIFT Script Opcode Parsing Remote DoS
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Disclosure Date


wxBitcoin and bitcoind contain a flaw that may allow a remote denial of service. The issue is triggered when an error occurs during the parsing of a bitcoin transaction that contains OP_LSHIFT script opcodes. This may allow a remote attacker to cause a loss of availability for the program.


Location: Remote / Network Access
Impact: Loss of Availability
Solution: Upgrade
Exploit: Exploit Private
Disclosure: Vendor Verified


Upgrade to version 0.3.5 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.


Bitcoin Project



CVSSv2 Score

CVSSv2 Base Score = 5.0
Source: nvd.nist.gov | Generated: 2012-08-07 | Disagree?

Access_vector_2 Access_complexity_2 Authentication_2 Confidentiality_impact_0 Integrity_impact_0 Availability_impact_1


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