Vulnerability Details : 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.
Products affected by CVE-2020-14303
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
- cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-14303
0.65%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 79 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-14303
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2020-14303
-
The product performs an iteration or loop without sufficiently limiting the number of times that the loop is executed.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-14303
-
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.html
[security-announce] openSUSE-SU-2020:1023-1: important: Security updateMailing List;Third Party Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=1851298;
1851298 – (CVE-2020-14303) CVE-2020-14303 samba: Empty UDP packet DoS in Samba AD DC nbtdIssue Tracking;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6YLNQ5GRXUKYRUAOFZ4DUBVN4SMTL6Q2/
[SECURITY] Fedora 31 Update: libldb-2.0.12-1.fc31 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://security.netapp.com/advisory/ntap-20200709-0003/
CVE-2020-14303 Samba Vulnerability in NetApp Products | NetApp Product SecurityThird Party Advisory
-
https://www.samba.org/samba/security/CVE-2020-14303.html
Vendor Advisory
-
https://usn.ubuntu.com/4454-1/
USN-4454-1: Samba vulnerability | Ubuntu security notices | UbuntuThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html
[SECURITY] [DLA 2463-1] samba security updateMailing List;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.html
[security-announce] openSUSE-SU-2020:1313-1: important: Security updateMailing List;Third Party Advisory
-
https://security.gentoo.org/glsa/202007-15
Samba: Multiple vulnerabilities (GLSA 202007-15) — Gentoo securityThird Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00030.html
[security-announce] openSUSE-SU-2020:0984-1: important: Security updateMailing List;Third Party Advisory
-
https://usn.ubuntu.com/4454-2/
USN-4454-2: Samba vulnerability | Ubuntu security notices | UbuntuThird Party Advisory
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