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ubuntuUbuntuUSN-4454-1
HistoryAug 10, 2020 - 12:00 a.m.

Samba vulnerability

2020-08-1000:00:00
ubuntu.com
55

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.5 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.015 Low

EPSS

Percentile

86.7%

JSON

Releases

  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM
  • Ubuntu 16.04 ESM

Packages

  • samba - SMB/CIFS file, print, and login server for Unix

Details

Martin von Wittich and Wilko Meyer discovered that Samba incorrectly
handled certain empty UDP packets when being used as a AD DC NBT server. A
remote attacker could possibly use this issue to cause Samba to crash,
resulting in a denial of service.

OSVersionArchitecturePackageVersionFilename
Ubuntu20.04noarchsamba< 2:4.11.6+dfsg-0ubuntu1.4UNKNOWN
Ubuntu20.04noarchctdb< 2:4.11.6+dfsg-0ubuntu1.4UNKNOWN
Ubuntu20.04noarchctdb-dbgsym< 2:4.11.6+dfsg-0ubuntu1.4UNKNOWN
Ubuntu20.04noarchlibnss-winbind< 2:4.11.6+dfsg-0ubuntu1.4UNKNOWN
Ubuntu20.04noarchlibnss-winbind-dbgsym< 2:4.11.6+dfsg-0ubuntu1.4UNKNOWN
Ubuntu20.04noarchlibpam-winbind< 2:4.11.6+dfsg-0ubuntu1.4UNKNOWN
Ubuntu20.04noarchlibpam-winbind-dbgsym< 2:4.11.6+dfsg-0ubuntu1.4UNKNOWN
Ubuntu20.04noarchlibsmbclient< 2:4.11.6+dfsg-0ubuntu1.4UNKNOWN
Ubuntu20.04noarchlibsmbclient-dbgsym< 2:4.11.6+dfsg-0ubuntu1.4UNKNOWN
Ubuntu20.04noarchlibsmbclient-dev< 2:4.11.6+dfsg-0ubuntu1.4UNKNOWN
Rows per page:
1-10 of 1081

Related

ubuntucve 1
samba 1
debiancve 1
nessus 21
redhatcve 1
ubuntu 1
openvas 24
prion 1
osv 2
veracode 1
alpinelinux 1
cvelist 1
cve 1
freebsd 1
fedora 4
cisa 1
suse 3
altlinux 1
rosalinux 2
mageia 1
gentoo 1
debian 1
ubuntucve
ubuntucve
CVE-2020-14303
2020-07-06 00:00:00
samba
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Empty UDP packet DoS in Samba AD DC nbtd
2020-07-02 00:00:00
debiancve
debiancve
CVE-2020-14303
2020-07-06 18:15:00
nessus
nessus
Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Samba vulnerability (USN-4454-1)
2020-08-11 00:00:00
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2020-07-30 00:00:00
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2020-08-28 00:00:00
redhatcve
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2020-07-02 09:50:50
ubuntu
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Samba vulnerability
2020-08-10 00:00:00
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Ubuntu: Security Advisory (USN-4454-1)
2020-08-11 00:00:00
Ubuntu: Security Advisory (USN-4454-2)
2022-08-26 00:00:00
Samba Multiple DoS Vulnerabilities (CVE-2020-10745, CVE-2020-14303)
2020-07-06 00:00:00
prion
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Design/Logic Flaw
2020-07-06 18:15:00
osv
osv
CVE-2020-14303
2020-07-06 18:15:20
samba - security update
2020-11-22 00:00:00
veracode
veracode
Denial Of Service (DoS)
2020-09-07 02:39:03
alpinelinux
alpinelinux
CVE-2020-14303
2020-07-06 18:15:00
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cvelist
CVE-2020-14303
2020-07-06 17:12:08
cve
cve
CVE-2020-14303
2020-07-06 18:15:00
freebsd
freebsd
samba -- Multiple Vulnerabilities
2020-07-02 00:00:00
fedora
fedora
[SECURITY] Fedora 31 Update: libldb-2.0.12-1.fc31
2020-07-18 01:09:08
[SECURITY] Fedora 31 Update: samba-4.11.11-0.fc31
2020-07-18 01:09:09
[SECURITY] Fedora 32 Update: samba-4.12.5-0.fc32
2020-07-04 01:14:40
cisa
cisa
Samba Releases Security Updates
2020-07-03 00:00:00
suse
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Security update for samba (important)
2020-07-18 00:00:00
Security update for ldb, samba (important)
2020-09-01 00:00:00
Security update for ldb, samba (important)
2020-07-21 00:00:00
altlinux
altlinux
Security fix for the ALT Linux 10 package samba version 4.11.11-alt1
2020-07-07 00:00:00
rosalinux
rosalinux
Advisory ROSA-SA-2024-2386
2024-04-02 07:01:49
Advisory ROSA-SA-2021-1967
2021-07-02 18:07:38
mageia
mageia
Updated samba packages fix security vulnerability
2020-07-10 11:01:08
gentoo
gentoo
Samba: Multiple vulnerabilities
2020-07-26 00:00:00
debian
debian
[SECURITY] [DLA 2463-1] samba security update
2020-11-23 03:19:15

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.5 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.015 Low

EPSS

Percentile

86.7%

JSON
Related for USN-4454-1
ubuntucve1samba1debiancve1nessus21redhatcve1ubuntu1openvas24prion1osv2veracode1alpinelinux1cvelist1cve1freebsd1fedora4cisa1suse3altlinux1rosalinux2mageia1gentoo1debian1