CVE-2020-15106: GO-2020-0005 - Panic due to malformed WALs in go.etcd.io/etcd

CVE-2020-15106 · Severity: low · CVSS 3.1 · Published 2021-04-14

Panic due to malformed WALs in go.etcd.io/etcd

Technologies: go.etcd.io/etcd (Go), go.etcd.io/etcd/v3 (Go). Vendors: Go.

Quick answers

Is CVE-2020-15106 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2020-15106 being exploited in the wild.
How severe is CVE-2020-15106?
Low severity, with a CVSS score of 3.1, published 14 April 2021.
Which products and versions are affected?
go.etcd.io/etcd (Go) SEMVER:introduced=0,fixed=0.5.0-alpha.5.0.20200423152442-f4b650b51dc4; go.etcd.io/etcd/v3 (Go) SEMVER:introduced=0,fixed=3.3.23.
Is there a fix for CVE-2020-15106?
Yes. go.etcd.io/etcd (Go): upgrade to 0.5.0-alpha.5.0.20200423152442-f4b650b51dc4 or later; go.etcd.io/etcd/v3 (Go): upgrade to 3.3.23 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2020-15106?
Check whether you run go.etcd.io/etcd (Go) or go.etcd.io/etcd/v3 (Go) 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

  • go.etcd.io/etcd (Go): upgrade to 0.5.0-alpha.5.0.20200423152442-f4b650b51dc4 or later
    go get go.etcd.io/etcd@v0.5.0-alpha.5.0.20200423152442-f4b650b51dc4
  • go.etcd.io/etcd/v3 (Go): upgrade to 3.3.23 or later
    go get go.etcd.io/etcd/v3@v3.3.23

Affected products

  • go.etcd.io/etcd (Go) SEMVER:introduced=0,fixed=0.5.0-alpha.5.0.20200423152442-f4b650b51dc4
  • go.etcd.io/etcd/v3 (Go) SEMVER:introduced=0,fixed=3.3.23

Identifiers

  • CVE-2020-15106
  • CVE-2020-15112
  • GHSA-m332-53r6-2w93
  • GHSA-p4g4-wgrh-qrg2
  • GO-2020-0005

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