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RUSTSEC-2021-0046
telemetrymisc::vec_with_size creates a vector of the provided size and immediately
calls vec.set_len(size) on it, initially filling it with uninitialized memory.
It then inserts elements using vec[i] = value.clone().
If the value.clone() call panics, uninitialized items in the vector will be
dropped leading to undefined behavior.
Withdrawal
This advisory has been withdrawn because the above unsoundness cannot be triggered in safe code by dependents of the crate, as the Clone generic of private function misc::vec_with_size only instantiates to primitive types in public functions, which is impossible to panic.
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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.
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.
- CVE-2021-29937Alias
- EUVD-2021-1750Alias
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