CVE-2022-23066: Incorrect Calculation in solana_rbpf
Summary
CVE-2022-2306: Insufficient Session Expiration in Nakama. Affects github.com/heroiclabs/nakama versions < 3.12.0. No fix is published. How to fix ↓
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Background
Solana rBPF is a crate that provides a virtual machine for executing programs written in the Solana BPF (Berkeley Packet Filter) language. It is used in the Solana blockchain platform to execute smart contracts. The rBPF virtual machine is responsible for executing the bytecode of these contracts and ensuring their correct behavior. However, versions 0.2.26 and 0.2.27 of solana_rbpf are affected by an Incorrect Calculation vulnerability. This vulnerability arises from an improper implementation of the sdiv instruction, which can lead to the wrong execution path and result in significant losses in certain cases. For example, the result of a sdiv instruction may determine whether to transfer tokens or not. This vulnerability poses a risk to the integrity of the system and may cause serious availability problems.
Vulnerability Detail
The Incorrect Calculation vulnerability in solana_rbpf is caused by the improper implementation of the sdiv instruction. This vulnerability can result in the wrong execution path being taken, leading to significant losses in specific cases. For instance, if the result of a sdiv instruction determines whether to transfer tokens or not, an incorrect calculation can lead to incorrect decisions and potential financial losses. The vulnerability affects both the integrity and availability of the system, making it a critical issue. The vulnerability is assigned a CVSS score of 9.1, indicating its high severity.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no known workaround for this vulnerability. It is essential to update to the fixed version of solana_rbpf to ensure the security and integrity of the system.
Conclusion
The Incorrect Calculation vulnerability in solana_rbpf can have severe consequences for the integrity and availability of the system. It is crucial to update to the fixed version (0.2.28 or later) to mitigate the risk. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for github.com/heroiclabs/nakama →
FAQ
Solana rBPF is a crate that provides a virtual machine for executing programs written in the Solana BPF language. It is used in the Solana blockchain platform to execute smart contracts.
Versions 0.2.26 and 0.2.27 of solana_rbpf are affected by the Incorrect Calculation vulnerability.
The vulnerability can lead to incorrect execution paths and significant losses in specific cases. It can affect the integrity and availability of the system, potentially causing financial losses.
To fix the vulnerability, update the solana_rbpf package to version 0.2.28 or later.
No, there is no known workaround for this vulnerability. Updating to the fixed version is necessary.
