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.
EPSS: 0.035 (88.1th percentile) — read the EPSS interpretation.
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.
Affected products
- Samba
- Canonical Ubuntu_linux — versions 12.04, 14.04, 16.04
- Debian Debian_linux — versions 9.0
- Fedoraproject Fedora — versions 31
- Opensuse Leap — versions 15.1, 15.2
- N/a Samba — versions All Samba versions before 4.10.17, before 4.11.11 and before 4.12.4
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_MISC)
- secalert@redhat.com (x_refsource_MISC, Vendor Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory)
- secalert@redhat.com (x_refsource_FEDORA, vendor-advisory)
- secalert@redhat.com (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- secalert@redhat.com (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- 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 (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
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.