CVE-2020-35857: RUSTSEC-2020-0001 - Stack overflow when resolving additional records from MX or SRV null targets

CVE-2020-35857 · Severity: low · CVSS 3.1 · Published 2020-01-06

Stack overflow when resolving additional records from MX or SRV null targets

Technologies: trust-dns-server (crates.io). Vendors: crates.io.

Quick answers

Is CVE-2020-35857 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2020-35857 being exploited in the wild.
How severe is CVE-2020-35857?
Low severity, with a CVSS score of 3.1, published 6 January 2020.
Which products and versions are affected?
trust-dns-server (crates.io) SEMVER:introduced=0.16.0,fixed=0.18.1.
Is there a fix for CVE-2020-35857?
Yes. trust-dns-server (crates.io): upgrade to 0.18.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2020-35857?
Check whether you run trust-dns-server (crates.io) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • trust-dns-server (crates.io): upgrade to 0.18.1 or later
    cargo update -p trust-dns-server

Affected products

  • trust-dns-server (crates.io) SEMVER:introduced=0.16.0,fixed=0.18.1

Identifiers

  • CVE-2020-35857
  • GHSA-4cww-f7w5-x525
  • RUSTSEC-2020-0001

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