Buffer overflow in Fedora
CVE-2023-4154
A design flaw was found in Samba's DirSync control implementation, which exposes passwords and secrets in Active Directory to privileged users and Read-Only Domain Controllers (RODCs). This flaw allows RODCs and users possessing the GET_CH…
Vulnerability class: Buffer Overflow
EPSS: 0.004 (60.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Fedora
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat Storage 3
- N/a Samba — versions 4.19.1, 4.18.8, 4.17.12
Weakness classification (CWE)
References
- access.redhat.com/security/cve/CVE-2023-4154 (vdb-entry, x_refsource_REDHAT)
- RHBZ#2241883 (issue-tracking, x_refsource_REDHAT)
- bugzilla.samba.org/show_bug.cgi
- security.netapp.com/advisory/ntap-20231124-0002/
- www.samba.org/samba/security/CVE-2023-4154.html
Frequently asked questions
- What is CVE-2023-4154?
- CVE-2023-4154 is a high-severity vulnerability in Fedora, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2023-11-07.
- How severe is CVE-2023-4154?
- High severity. CVSS v3 base score is 7.5 out of 10.