PT-2018-13082 · Ethereum · Ethereum

Publicado 2018-09-07 · Atualizado 2019-09-16 · CVE-2018-15552

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Média

Vetor base

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

Name of the Vulnerable Software and Affected Versions The Ethereum Lottery (affected versions not specified)

Description The issue concerns the "PayWinner" function of a simplelottery smart contract implementation, which generates a random value. This value is influenced by the maxTickets variable, intended to be private but is predictable and readable through the eth.getStorageAt function. As a result, attackers can exploit this to always win and receive rewards.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Enumeração de Fraquezas

CWE-338

Identificadores relacionados

CVE-2018-15552

Produtos afetados

Ethereum

Referências · 2

• 🔥 https://github.com/TEAM-C4B/CVE-LIST/tree/master/CVE-2018-15552 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2018-15552 · Nota de Segurança