CVE-2020-14303

ALTO 7.5CVE-2020-14303 · Published 06/07/2020 · updated 17/06/2026

En resumen

CVE-2020-14303 es una vulnerabilidad ALTO (CVSS 7.5) que afecta a samba (samba).
Probabilidad de explotación en los próximos 30 días (EPSS): 3.5%, mayor que el 89.3% de las vulnerabilidades.
Solución: actualizar a 4.10.17, 4.11.11, 4.12.4 o posterior.

Package	Affected versions	Patched versions
samba samba	`≥ 4.10.0, < 4.10.17≥ 4.11.0, < 4.11.11≥ 4.12.0, < 4.12.4`	`4.10.174.11.114.12.4`

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.

References

lists.opensuse.org/opensuse-security-announce/2020-07/msg00030.html · Mailing List
lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.html · Mailing List
lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.html · Mailing List
bugzilla.redhat.com/show_bug.cgi
lists.debian.org/debian-lts-announce/2020/11/msg00041.html · Mailing List
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YLNQ5GRXUKYRUAOFZ4DUBVN4SMTL6Q2
security.gentoo.org/glsa/202007-15 · Third Party Advisory
security.netapp.com/advisory/ntap-20200709-0003 · Third Party Advisory
usn.ubuntu.com/4454-1 · Third Party Advisory
usn.ubuntu.com/4454-2 · Third Party Advisory
samba.org/samba/security/CVE-2020-14303.html

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