CVE-2020-35859 — CRITICAL (9.1)

Q: How severe is CVE-2020-35859?

CVE-2020-35859 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2020-35859?

Check the references section above for vendor advisories and patch information. Affected products include: Lucet-Runtime-Internals Project Lucet-Runtime-Internals.

Vulnerability Description

An issue was discovered in the lucet-runtime-internals crate before 0.5.1 for Rust. It mishandles sigstack allocation. Guest programs may be able to obtain sensitive information, or guest programs can experience memory corruption.

CVSS Score

9.1

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Lucet-Runtime-Internals Project	Lucet-Runtime-Internals	< 0.5.1

Related Weaknesses (CWE)

CWE-787 CWE-125

References

https://rustsec.org/advisories/RUSTSEC-2020-0004.htmlPatchThird Party Advisory
https://rustsec.org/advisories/RUSTSEC-2020-0004.htmlPatchThird Party Advisory

FAQ

What is CVE-2020-35859?

CVE-2020-35859 is a vulnerability with a CVSS score of 9.1 (CRITICAL). An issue was discovered in the lucet-runtime-internals crate before 0.5.1 for Rust. It mishandles sigstack allocation. Guest programs may be able to obtain sensitive information, or guest programs can...

How severe is CVE-2020-35859?

CVE-2020-35859 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2020-35859?

Check the references section above for vendor advisories and patch information. Affected products include: Lucet-Runtime-Internals Project Lucet-Runtime-Internals.