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ubuntuUbuntuUSN-5626-2
HistorySep 21, 2022 - 12:00 a.m.

Bind vulnerabilities

2022-09-2100:00:00
ubuntu.com
28

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

Low

0.003 Low

EPSS

Percentile

66.3%

Releases

  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Packages

  • bind9 - Internet Domain Name Server

Details

USN-5626-1 fixed several vulnerabilities in Bind. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory details:

Yehuda Afek, Anat Bremler-Barr, and Shani Stajnrod discovered that Bind
incorrectly handled large delegations. A remote attacker could possibly use
this issue to reduce performance, leading to a denial of service.
(CVE-2022-2795)

It was discovered that Bind incorrectly handled memory when processing
ECDSA DNSSEC verification. A remote attacker could use this issue to
consume resources, leading to a denial of service. (CVE-2022-38177)

OSVersionArchitecturePackageVersionFilename
Ubuntu16.04noarchbind9< 1:9.10.3.dfsg.P4-8ubuntu1.19+esm3UNKNOWN
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

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

Low

0.003 Low

EPSS

Percentile

66.3%