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RUSTSEC-2020-0046
actix-serviceThe custom implementation of a Cell primitive in the affected versions of this crate does not keep track of mutable references to the underlying data.
This allows obtaining several mutable references to the same object which may result in arbitrary memory corruption, most likely use-after-free.
The flaw was corrected by switching from a bespoke Cell<T> implementation to Rc<RefCell<T>>.
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The vulnerability requires local access to the device to be exploited. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. 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 availability of the system.
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.
- CVE-2020-35899Alias
- EUVD-2021-1917Alias
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