VDB-112247 · CVE-2017-14457 · BID 102475

libevm create2 Opcode Smart Contract out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in libevm. This vulnerability affects unknown code of the component create2 Opcode Handler. The manipulation as part of Smart Contract leads to out-of-bounds. This vulnerability is uniquely identified as CVE-2017-14457. The attack is possible to be carried out remotely. No exploit exists. Due to its background and reception, this vulnerability has an historic impact.

Detailsinfo

A vulnerability was found in libevm (affected version not known). It has been rated as critical. This issue affects some unknown functionality of the component create2 Opcode Handler. The manipulation as part of a Smart Contract leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The bug was discovered 01/09/2018. The weakness was disclosed 01/19/2018 by Cisco with Cisco Talos (Website). It is possible to read the advisory at securityfocus.com. The identification of this vulnerability is CVE-2017-14457 since 09/13/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/02/2023). Due to its background and reception, this vulnerability has a historic impact.

The vulnerability was handled as a non-public zero-day exploit for at least 10 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 102475†). The entries VDB-112233, VDB-112234, VDB-112235 and VDB-112236 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 8.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔍

CNA Base Score: 8.2
CNA Vector (Talos): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/13/2017 🔍
01/09/2018 +118 days 🔍
01/09/2018 +0 days 🔍
01/19/2018 +10 days 🔍
01/19/2018 +0 days 🔍
01/20/2018 +1 days 🔍
02/02/2023 +1839 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Marcin 'Icewall' Noga (Cisco)
Organization: Cisco Talos
Status: Not defined

CVE: CVE-2017-14457 (🔍)
GCVE (CVE): GCVE-0-2017-14457
GCVE (VulDB): GCVE-100-112247
SecurityFocus: 102475 - CPP-Ethereum Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 01/20/2018 13:30
Updated: 02/02/2023 09:32
Changes: 01/20/2018 13:30 (60), 12/25/2019 11:40 (4), 02/01/2021 12:38 (3), 02/02/2023 09:32 (11)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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