Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Samba | Samba | >= 4.10.0, < 4.10.17 |
| Fedoraproject | Fedora | 31 |
| Opensuse | Leap | 15.1 |
| Debian | Debian Linux | 9.0 |
| Canonical | Ubuntu Linux | 12.04 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00030.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.htmlMailing ListThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1851298%3B
- https://lists.debian.org/debian-lts-announce/2020/11/msg00041.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202007-15Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200709-0003/Third Party Advisory
- https://usn.ubuntu.com/4454-1/Third Party Advisory
- https://usn.ubuntu.com/4454-2/Third Party Advisory
- https://www.samba.org/samba/security/CVE-2020-14303.htmlVendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00030.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.htmlMailing ListThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1851298%3B
FAQ
What is CVE-2020-14303?
CVE-2020-14303 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.
How severe is CVE-2020-14303?
CVE-2020-14303 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-14303?
Check the references section above for vendor advisories and patch information. Affected products include: Samba Samba, Fedoraproject Fedora, Opensuse Leap, Debian Debian Linux, Canonical Ubuntu Linux.