Vulnerability · Published Aug 21, 2023 · Assigned by redhat
CVE-2023-4456Openshift-logging: lokistack authorisation is cached too broadly
Medium 5.7
In plain English
A medium-severity security flaw in RHOL-5.5-RHEL-8 from Red Hat. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities).
Severity (CVSS 3.1)5.7Medium
Exploit odds (30 days)0.6%top 51.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A flaw was found in openshift-logging LokiStack. The key used for caching is just the token, which is too broad. This issue allows a user with a token valid for one action to execute other actions as long as the authorization allowing the original action is still cached.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | RHOL-5.5-RHEL-8 | see references |
| Red Hat | RHOL-5.6-RHEL-8 | see references |
| Red Hat | RHOL-5.7-RHEL-8 | see references |
Weakness: CWE-1220 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N
References
- RHSA-2023:4933 vendor-advisory, x_refsource_REDHAT
- RHSA-2023:5095 vendor-advisory, x_refsource_REDHAT
- RHSA-2023:5096 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2023-4456 vdb-entry, x_refsource_REDHAT
- RHBZ#2233087 issue-tracking, x_refsource_REDHAT