NULL pointer dereference in Hashicorp Consul
CVE-2023-0845
Consul and Consul Enterprise allowed an authenticated user with service:write permissions to trigger a workflow that causes Consul server and client agents to crash under certain circumstances. This vulnerability was fixed in Consul 1.14.5.
EPSS: 0.004 (60.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Hashicorp Consul — versions 1.14.0, 1.14.1, 1.14.2
- Hashicorp Consul Enterprise — versions 1.14.0, 1.14.1, 1.14.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- discuss.hashicorp.com/t/hcsec-2023-06-consul-server-panic-when-ingress-and-api-…
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/…
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/…
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/…
Frequently asked questions
- What is CVE-2023-0845?
- CVE-2023-0845 is a medium-severity vulnerability in Hashicorp Consul, classified under NULL Pointer Dereference. CVSS score: 4.9/10. Published 2023-03-09.
- How severe is CVE-2023-0845?
- Medium severity. CVSS v3 base score is 4.9 out of 10.
- Is CVE-2023-0845 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.