Resource exhaustion in Samba
CVE-2018-14629
A denial of service vulnerability was discovered in Samba's LDAP server before versions 4.7.12, 4.8.7, and 4.9.3. A CNAME loop could lead to infinite recursion in the server. An unprivileged local attacker could create such an entry, leading to denial of service.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.052 (91.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Samba
- [Unknown] Samba — versions 4.9.3, 4.8.7, 4.7.12
- Canonical Ubuntu_linux — versions 12.04, 14.04, 16.04
- Debian Debian_linux — versions 8.0, 9.0
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Exploit, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- secalert@redhat.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- secalert@redhat.com (vendor-advisory, x_refsource_GENTOO)
Frequently asked questions
- What is CVE-2018-14629?
- CVE-2018-14629 is a medium-severity vulnerability in Samba, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2018-11-28.
- How severe is CVE-2018-14629?
- Medium severity. CVSS v3 base score is 6.5 out of 10.