Vulnerability in Samba
CVE-2020-14303
A flaw was found in the AD DC NBT server in all Samba versions before 4.10.17, before 4.11.11 and before 4.12.4. A samba user could send an empty UDP packet to cause the samba server to crash.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.035 (88.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.035 · newest: 0.035 · change: 0.000
Affected products
- Samba
- Canonical Ubuntu Linux — versions 12.04, 14.04, 16.04
- Debian Linux — versions 9.0
- Fedoraproject Fedora — versions 31
- openSUSE Leap — versions 15.1, 15.2
- Samba — versions All Samba versions before 4.10.17, before 4.11.11 and before 4.12.4
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi
- www.samba.org/samba/security/CVE-2020-14303.html (Vendor Advisory)
- security.netapp.com/advisory/ntap-20200709-0003/ (Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2020-07/msg00030.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.html (vendor-advisory, Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/202007-15 (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4454-2/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4454-1/ (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.html (vendor-advisory, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-14303?
- CVE-2020-14303 is a high-severity vulnerability in Samba, classified under Excessive Iteration. CVSS score: 7.5/10. Published 2020-07-06.
- How severe is CVE-2020-14303?
- High severity. CVSS v3 base score is 7.5 out of 10.