CVE-2020-36317 — HIGH (7.5)

Q: How severe is CVE-2020-36317?

CVE-2020-36317 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2020-36317?

Check the references section above for vendor advisories and patch information. Affected products include: Rust-Lang Rust.

Vulnerability 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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Rust-Lang	Rust	< 1.49.0

Related Weaknesses (CWE)

CWE-787

References

https://github.com/rust-lang/rust/issues/78498ExploitIssue TrackingThird Party Advisory
https://github.com/rust-lang/rust/pull/78499PatchThird Party Advisory
https://github.com/rust-lang/rust/issues/78498ExploitIssue TrackingThird Party Advisory
https://github.com/rust-lang/rust/pull/78499PatchThird Party Advisory

FAQ

What is CVE-2020-36317?

CVE-2020-36317 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 resu...

How severe is CVE-2020-36317?

CVE-2020-36317 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-36317?

Check the references section above for vendor advisories and patch information. Affected products include: Rust-Lang Rust.