CVE-2021-29937: Free of uninitialized memory in telemetry

August 25, 2021 (updated June 14, 2022)

An issue was discovered in the telemetry crate through 0.1.2 for Rust. There is a drop of uninitialized memory if a value.clone() call panics within misc::vec_with_size()

References

github.com/Yoric/telemetry.rs
github.com/Yoric/telemetry.rs/commit/2820cf12f2e08645fd6d1f15b4a90a54d6082a81
github.com/Yoric/telemetry.rs/issues/45
github.com/advisories/GHSA-hpcx-3pw8-g3j2
nvd.nist.gov/vuln/detail/CVE-2021-29937
rustsec.org/advisories/RUSTSEC-2021-0046.html

Code Behaviors & Features

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