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githubGitHub Advisory DatabaseGHSA-WJ6X-HCC2-F32J
HistoryMar 09, 2023 - 6:30 p.m.

Consul Server Panic when Ingress and API Gateways Configured with Peering Connections

2023-03-0918:30:30
CWE-476
GitHub Advisory Database
github.com
7

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:N/I:N/A:P

0.001 Low

EPSS

Percentile

41.1%

A vulnerability was identified in Consul and Consul Enterprise (“Consul”) an authenticated user with service:write permissions could trigger a workflow that causes Consul server and client agents to crash under certain circumstances. To exploit this vulnerability, an attacker requires access to an ACL token with service:write permissions, and there needs to be at least one running ingress or API gateway that is configured to route traffic to an upstream service.

CPENameOperatorVersion
github.com/hashicorp/consullt1.14.5

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:N/I:N/A:P

0.001 Low

EPSS

Percentile

41.1%