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ubuntuUbuntuUSN-5126-2
HistoryOct 28, 2021 - 12:00 a.m.

Bind vulnerability

2021-10-2800:00:00
ubuntu.com
74

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

6 Medium

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

0.003 Low

EPSS

Percentile

71.2%

Releases

  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Packages

  • bind9 - Internet Domain Name Server

Details

USN-5126-1 fixed a vulnerability in Bind. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory details:

Kishore Kumar Kothapalli discovered that Bind incorrectly handled the lame
cache when processing responses. A remote attacker could possibly use this
issue to cause Bind to consume resources, resulting in a denial of service.

OSVersionArchitecturePackageVersionFilename
Ubuntu16.04noarchbind9< 1:9.10.3.dfsg.P4-8ubuntu1.19+esm1UNKNOWN
Ubuntu16.04noarchbind9< 1:9.10.3.dfsg.P4-8ubuntu1.19UNKNOWN
Ubuntu16.04noarchbind9-dbgsym< 1:9.10.3.dfsg.P4-8ubuntu1.19UNKNOWN
Ubuntu16.04noarchbind9-doc< 1:9.10.3.dfsg.P4-8ubuntu1.19UNKNOWN
Ubuntu16.04noarchbind9-host< 1:9.10.3.dfsg.P4-8ubuntu1.19UNKNOWN
Ubuntu16.04noarchbind9-host-dbgsym< 1:9.10.3.dfsg.P4-8ubuntu1.19UNKNOWN
Ubuntu16.04noarchbind9utils< 1:9.10.3.dfsg.P4-8ubuntu1.19UNKNOWN
Ubuntu16.04noarchbind9utils-dbgsym< 1:9.10.3.dfsg.P4-8ubuntu1.19UNKNOWN
Ubuntu16.04noarchdnsutils< 1:9.10.3.dfsg.P4-8ubuntu1.19UNKNOWN
Ubuntu16.04noarchdnsutils-dbgsym< 1:9.10.3.dfsg.P4-8ubuntu1.19UNKNOWN
Rows per page:
1-10 of 621

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

6 Medium

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

0.003 Low

EPSS

Percentile

71.2%