CVE-2020-36317

Public Exploit

Description

In the standard library in Rust before 1.49.0, String::retain() function has a panic safety problem. It allows creation of a non-UTF-8 Rust string when the provided closure panics. This bug could result in a memory safety violation when other string APIs assume that UTF-8 encoding is used on the same string.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.40%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/rust-lang/rust/issues/78498 third party advisory issue tracking exploit
https://github.com/rust-lang/rust/pull/78499 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2020-36317?
CVE-2020-36317 has been scored as a high severity vulnerability.
How to fix CVE-2020-36317?
To fix CVE-2020-36317, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-36317 being actively exploited in the wild?
It is possible that CVE-2020-36317 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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