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cve[email protected]CVE-2017-14457
HistoryJan 19, 2018 - 11:29 p.m.

CVE-2017-14457

2018-01-1923:29:00
CWE-125
web.nvd.nist.gov
32
cve-2017-14457
information leak
denial of service
vulnerability
libevm
ethereum virtual machine
cpp-ethereum
smart contract
out-of-bounds read
memory disclosure

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

8.2

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

AI Score

7.9

Confidence

High

EPSS

0.001

Percentile

34.7%

An exploitable information leak/denial of service vulnerability exists in the libevm (Ethereum Virtual Machine) create2 opcode handler of CPP-Ethereum. A specially crafted smart contract code can cause an out-of-bounds read leading to memory disclosure or denial of service. An attacker can create/send malicious a smart contract to trigger this vulnerability.

Affected configurations

Vulners
NVD
Node
taloscpp-ethereumRangeEthereum commit 4e1015743b95821849d001618a7ce82c7c073768

CNA Affected

[
  {
    "product": "CPP-Ethereum",
    "vendor": "Talos",
    "versions": [
      {
        "status": "affected",
        "version": "Ethereum commit 4e1015743b95821849d001618a7ce82c7c073768"
      }
    ]
  }
]

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

8.2

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

AI Score

7.9

Confidence

High

EPSS

0.001

Percentile

34.7%