CVE-2020-35857
HIGHCVSS 7.5/10EPSS 1.44%
Last modified
CVE-2020-35857 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue was discovered in the trust-dns-server crate before 0.18.1 for Rust. DNS MX and SRV null targets are mishandled, causing stack consumption.. EPSS estimates a 1.44% chance of exploitation in the next 30 days.
Description
An issue was discovered in the trust-dns-server crate before 0.18.1 for Rust. DNS MX and SRV null targets are mishandled, causing stack consumption.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Trust-Dns-Server Project | Trust-Dns-Server | >= 0.16.0, < 0.18.1 |
References
- https://rustsec.org/advisories/RUSTSEC-2020-0001.htmlExploit, Third Party Advisory
- https://rustsec.org/advisories/RUSTSEC-2020-0001.htmlExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-35857?
An issue was discovered in the trust-dns-server crate before 0.18.1 for Rust. DNS MX and SRV null targets are mishandled, causing stack consumption.
How severe is CVE-2020-35857?
CVE-2020-35857 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.44% probability of exploitation in the next 30 days.
How do I fix CVE-2020-35857?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Are you affected by CVE-2020-35857?
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