Resource exhaustion in Samba
CVE-2023-42669
A vulnerability was found in Samba's "rpcecho" development server, a non-Windows RPC server used to test Samba's DCE/RPC stack elements. This vulnerability stems from an RPC function that can be blocked indefinitely. The issue arises becau…
Vulnerability class: DoS (Denial of Service)
EPSS: 0.017 (75.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Samba
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8 — versions 0:4.18.6-2.el8_9
- Red Hat Enterprise Linux 8.6 Extended Update Support — versions 0:4.15.5-13.el8_6
- Red Hat Enterprise Linux 8.8 Extended Update Support — versions 0:4.17.5-4.el8_8
- Red Hat Enterprise Linux 9 — versions 0:4.18.6-101.el9_3
- Red Hat Enterprise Linux 9.0 Extended Update Support — versions 0:4.15.5-111.el9_0
- Red Hat Enterprise Linux 9.2 Extended Update Support — versions 0:4.17.5-104.el9_2
- Red Hat Storage 3
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, Third Party Advisory, vdb-entry)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking, Issue Tracking)
- secalert@redhat.com (Issue Tracking)
- secalert@redhat.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-42669?
- CVE-2023-42669 is a medium-severity vulnerability in Samba, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2023-11-06.
- How severe is CVE-2023-42669?
- Medium severity. CVSS v3 base score is 6.5 out of 10.