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ubuntuUbuntuUSN-4611-1
HistoryNov 02, 2020 - 12:00 a.m.

Samba vulnerabilities

2020-11-0200:00:00
ubuntu.com
54

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

6 Medium

AI Score

Confidence

High

4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.004 Low

EPSS

Percentile

73.6%

Releases

  • Ubuntu 20.10
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM
  • Ubuntu 16.04 ESM

Packages

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

Details

Steven French discovered that Samba incorrectly handled ChangeNotify
permissions. A remote attacker could possibly use this issue to obtain file
name information. (CVE-2020-14318)

Bas Alberts discovered that Samba incorrectly handled certain winbind
requests. A remote attacker could possibly use this issue to cause winbind
to crash, resulting in a denial of service. (CVE-2020-14323)

Francis Brosnan Blázquez discovered that Samba incorrectly handled certain
invalid DNS records. A remote attacker could possibly use this issue to
cause the DNS server to crash, resulting in a denial of service.
(CVE-2020-14383)

OSVersionArchitecturePackageVersionFilename
Ubuntu20.10noarchsamba< 2:4.12.5+dfsg-3ubuntu4.1UNKNOWN
Ubuntu20.10noarchctdb< 2:4.12.5+dfsg-3ubuntu4.1UNKNOWN
Ubuntu20.10noarchctdb-dbgsym< 2:4.12.5+dfsg-3ubuntu4.1UNKNOWN
Ubuntu20.10noarchlibnss-winbind< 2:4.12.5+dfsg-3ubuntu4.1UNKNOWN
Ubuntu20.10noarchlibnss-winbind-dbgsym< 2:4.12.5+dfsg-3ubuntu4.1UNKNOWN
Ubuntu20.10noarchlibpam-winbind< 2:4.12.5+dfsg-3ubuntu4.1UNKNOWN
Ubuntu20.10noarchlibpam-winbind-dbgsym< 2:4.12.5+dfsg-3ubuntu4.1UNKNOWN
Ubuntu20.10noarchlibsmbclient< 2:4.12.5+dfsg-3ubuntu4.1UNKNOWN
Ubuntu20.10noarchlibsmbclient-dbgsym< 2:4.12.5+dfsg-3ubuntu4.1UNKNOWN
Ubuntu20.10noarchlibsmbclient-dev< 2:4.12.5+dfsg-3ubuntu4.1UNKNOWN
Rows per page:
1-10 of 1421

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

6 Medium

AI Score

Confidence

High

4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.004 Low

EPSS

Percentile

73.6%