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GHSA-mv8x-668m-53fg
No affected components available
Impact
Read only calls between contracts can generate smart contracts results. For example, if contract A calls in read only mode contract B and the called function will make changes upon the contract's B state, the state will be altered for contract B as if the call was not made in the read-only mode. This can lead to some effects not designed by the original smart contracts programmers.
Patches
Patch v1.3.35 or higher
Workarounds
No workaround
References
For future reference and understanding of this issue, anyone can check this integration test https://github.com/ElrondNetwork/elrond-go/blob/8e402fa6d7e91e779980122d3798b2bf50892945/integrationTests/vm/txsFee/asyncESDT_test.go#L452 that proves the fix and prevents a future code regression.
For more information
If you have any questions or comments about this advisory:
- Open an issue in elrond-go (http://github.com/ElrondNetwork/elrond-go/issues)
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the confidentiality of the information. There is a high impact on the integrity of the data. There is a high impact on the availability of the system.
Active exploitation in the wild has been confirmed. Immediate patching or mitigation is required.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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