CVE-2018-3756

Hyperledger Iroha versions v1.0_beta and v1.0.0_beta-1 are vulnerable to transaction and block signature verification bypass in the transaction and block validator allowing a single node to sign a transaction and/or block multiple times, each with a random nonce, and have other validating nodes accept them as separate valid signatures.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:P/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://github.com/hyperledger/iroha/releases/tag/v1.0.0_beta-2	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:hyperledger:iroha:1.0:beta::::::
	cpe:2.3:a:hyperledger:iroha:1.0.0:beta1::::::

History

No history.

Information

Published : 2018-06-01 19:29

Updated : 2018-07-18 15:26

NVD link : CVE-2018-3756

Mitre link : CVE-2018-3756

CVE.ORG link : CVE-2018-3756

JSON object : View

Products Affected

hyperledger

iroha

CWE

CWE-347

Improper Verification of Cryptographic Signature

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