CVE-2018-12056 - The maxRandom function of a smart contract implementation for All For One, an Ethereum gambling game

CVE-2018-12056

Summary

The maxRandom function of a smart contract implementation for All For One, an Ethereum gambling game, generates a random value with publicly readable variables because the _seed value can be retrieved with a getStorageAt call. Therefore, it allows attackers to always win and get rewards.

References

Vulnerable Configurations

cpe:2.3:a:all-for-one:all_for_one:-:*:*:*:*:*:*:*
cpe:2.3:a:all-for-one:all_for_one:-:*:*:*:*:*:*:*

CVSS

Base:	5.0 (as of 24-06-2019 - 21:15)
Impact:
Exploitability:

CWE

CWE-338

CAPEC

Access

Vector	Complexity	Authentication
NETWORK	LOW	NONE

Impact

Confidentiality	Integrity	Availability
PARTIAL	NONE	NONE

cvss-vector via4

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

refmap via4

misc	https://medium.com/@jonghyk.song/to-be-a-winner-of-ethereum-gambling-game-all-for-one-by-breaking-prng-1ab011163d40
mlist	[zookeeper-notifications] 20190624 [GitHub] [zookeeper] phunt commented on a change in pull request #1001: ZOOKEEPER-3441 OWASP is flagging jackson-databind-2.9.9.jar for CVE-2019-12814

Last major update

24-06-2019 - 21:15

Published

15-08-2018 - 17:29

Last modified

24-06-2019 - 21:15