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GHSA-429q-fhh4-r6hj
No affected components available
Impact
Any uses of InterfaceAccount allows another unexpected account type to be passed, after https://github.com/solana-foundation/anchor/pull/3837 disabled discriminator checking for this type.
The bug was originally reported and fixed in https://github.com/solana-foundation/anchor/pull/4139, see that PR for more details.
Patches
https://github.com/solana-foundation/anchor/pull/4139 patched the issue and was released in 1.0.0-rc.2. Users should upgrade to the latest released version of Anchor 1.0.
References
Bug landed in: https://github.com/solana-foundation/anchor/pull/3837 Bug fixed in: https://github.com/solana-foundation/anchor/pull/4139
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.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
Probability that this vulnerability will be exploited in the wild within the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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