PT-2018-10977 · Unknown · All For One

Published 2018-08-15 · Updated 2019-06-24 · CVE-2018-12056

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions All For One (affected versions not specified)

Description The issue concerns the maxRandom function of a smart contract implementation, which generates a random value using publicly readable variables. Since the seed value can be retrieved with a getStorageAt call, 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

Weakness Enumeration

CWE-338

Related Identifiers

CVE-2018-12056

Affected Products

All For One

References · 5

• 🔥 https://medium.com/coinmonks/to-be-a-winner-of-ethereum-gambling-game-all-for-one-by-breaking-prng-1ab011163d40 · Exploit
• 🔥 https://medium.com/@jonghyk.song/to-be-a-winner-of-ethereum-gambling-game-all-for-one-by-breaking-prng-1ab011163d40 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2018-12056 · Security Note
• https://medium.com/%40jonghyk.song/to-be-a-winner-of-ethereum-gambling-game-all-for-one-by-breaking-prng-1ab011163d40 · Note
• https://lists.apache.org/thread.html/a62aa2706105d68f1c02023fe24aaa3c13b4d8a1826181fed07d9682%40%3Cnotifications.zookeeper.apache.org%3E · Note