CVE-2022-23066

Public Exploit
Solana rBPF - Incorrect Calculation in sdiv instruction

Description

In Solana rBPF versions 0.2.26 and 0.2.27 are affected by Incorrect Calculation which is caused by improper implementation of sdiv instruction. This can lead to the wrong execution path, resulting in huge loss in specific cases. For example, the result of a sdiv instruction may decide whether to transfer tokens or not. The vulnerability affects both integrity and may cause serious availability problems.

Remediation

Solution:

  • Upgrade version to 0.2.28 or higher

Category

9.1
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.56%
Third-Party Advisory medium.com Third-Party Advisory github.com Third-Party Advisory whitesourcesoftware.com
Affected: solana-labs rbpf
Published at:
Updated at:

References

Link Tags
https://github.com/solana-labs/rbpf/commit/e61e045f8c244de978401d186dcfd50838817297 third party advisory patch
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2022-23066 third party advisory exploit
https://blocksecteam.medium.com/how-a-critical-bug-in-solana-network-was-detected-and-timely-patched-a701870e1324 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2022-23066?
CVE-2022-23066 has been scored as a critical severity vulnerability.
How to fix CVE-2022-23066?
To fix CVE-2022-23066: Upgrade version to 0.2.28 or higher
Is CVE-2022-23066 being actively exploited in the wild?
It is possible that CVE-2022-23066 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-23066?
CVE-2022-23066 affects solana-labs rbpf.
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