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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
redhatCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 94%
VendorProductVersion
sambasamba
4.10.0 ≤
𝑥
< 4.10.17
sambasamba
4.11.0 ≤
𝑥
< 4.11.11
sambasamba
4.12.0 ≤
𝑥
< 4.12.4
opensuseleap
15.1
opensuseleap
15.2
debiandebian_linux
9.0
canonicalubuntu_linux
12.04
canonicalubuntu_linux
14.04
canonicalubuntu_linux
16.04
canonicalubuntu_linux
18.04
canonicalubuntu_linux
20.04
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
samba
bullseye (security)
2:4.13.13+dfsg-1~deb11u6
fixed
bullseye
2:4.13.13+dfsg-1~deb11u6
fixed
buster
postponed
bookworm
2:4.17.12+dfsg-0+deb12u1
fixed
bookworm (security)
2:4.17.12+dfsg-0+deb12u1
fixed
sid
2:4.21.1+dfsg-2
fixed
trixie
2:4.21.1+dfsg-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
samba
focal
Fixed 2:4.11.6+dfsg-0ubuntu1.4
released
eoan
ignored
bionic
Fixed 2:4.7.6+dfsg~ubuntu-0ubuntu2.18
released
xenial
Fixed 2:4.3.11+dfsg-0ubuntu0.16.04.29
released
trusty
Fixed 2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8
released
Common Weakness Enumeration
References
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00030.html
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.html
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.html
https://bugzilla.redhat.com/show_bug.cgi?id=1851298%3B
https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YLNQ5GRXUKYRUAOFZ4DUBVN4SMTL6Q2/
https://security.gentoo.org/glsa/202007-15
https://security.netapp.com/advisory/ntap-20200709-0003/
https://usn.ubuntu.com/4454-1/
https://usn.ubuntu.com/4454-2/
https://www.samba.org/samba/security/CVE-2020-14303.html
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00030.html
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.html
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.html
https://bugzilla.redhat.com/show_bug.cgi?id=1851298%3B
https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YLNQ5GRXUKYRUAOFZ4DUBVN4SMTL6Q2/
https://security.gentoo.org/glsa/202007-15
https://security.netapp.com/advisory/ntap-20200709-0003/
https://usn.ubuntu.com/4454-1/
https://usn.ubuntu.com/4454-2/
https://www.samba.org/samba/security/CVE-2020-14303.html