Home/CVE/HashiCorp Consul and Consul Enterprise could crash when configured with an abnormally-formed service-router entry. Intro
CVE

CVE-2020-12758

HashiCorp Consul and Consul Enterprise could crash when configured with an abnormally-formed service-router entry. Intro

HashiCorp Consul and Consul Enterprise could crash when configured with an abnormally-formed service-router entry. Introduced in 1.6.0, fixed in 1.6.6 and 1.7.4.

HIGH · CVSS 7.5 EPSS 0.0063
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-404Improper Resource Shutdown or Release
▤

Affected Products & Versions

2
hashicorp consul>= 1.6.0 and < 1.6.6
hashicorp consul>= 1.7.0 and < 1.7.4
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Go github.com/hashicorp/consul MODERATE fixed in 1.6.6
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 Jun 2020 · 08:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/hashicorp/consul/blob/v1.6.6/CHANGELOG.mdRelease NotesThird Party Advisory
https://github.com/hashicorp/consul/blob/v1.7.4/CHANGELOG.mdRelease NotesThird Party Advisory
https://github.com/hashicorp/consul/pull/7783PatchThird Party Advisory
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