CVE-2020-35859
CRITICALCVSS 9.1/10EPSS 1.50%
Last modified
CVE-2020-35859 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. An issue was discovered in the lucet-runtime-internals crate before 0.5.1 for Rust. It mishandles sigstack allocation. EPSS estimates a 1.50% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Lucet-Runtime-Internals Project | Lucet-Runtime-Internals | < 0.5.1 |
References
- https://rustsec.org/advisories/RUSTSEC-2020-0004.htmlPatch, Third Party Advisory
- https://rustsec.org/advisories/RUSTSEC-2020-0004.htmlPatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-35859?
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.
How severe is CVE-2020-35859?
CVE-2020-35859 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 1.50% probability of exploitation in the next 30 days.
How do I fix CVE-2020-35859?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-35859?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST