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ubuntuUbuntuUSN-6183-2
HistoryJul 18, 2023 - 12:00 a.m.

Bind vulnerability

2023-07-1800:00:00
ubuntu.com
77
ubuntu 14.04
ubuntu 16.04
ubuntu 18.04
bind vulnerability
denial of service
memory consumption
cache size limit
recursive-clients quota
esm
packages
releases
security advisory

CVSS3

7.5

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

AI Score

8.5

Confidence

High

EPSS

0.002

Percentile

51.8%

Releases

  • Ubuntu 18.04 ESM
  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Packages

  • bind9 - Internet Domain Name Server

Details

USN-6183-1 fixed vulnerabilities in Bind. This update provides the
corresponding updates for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 18.04
LTS.

Original advisory details:

Shoham Danino, Anat Bremler-Barr, Yehuda Afek, and Yuval Shavitt discovered
that Bind incorrectly handled the cache size limit. A remote attacker could
possibly use this issue to consume memory, leading to a denial of service.
(CVE-2023-2828)

It was discovered that Bind incorrectly handled the recursive-clients
quota. A remote attacker could possibly use this issue to cause Bind to
crash, resulting in a denial of service. This issue only affected Ubuntu
22.04 LTS, Ubuntu 22.10, and Ubuntu 23.04. (CVE-2023-2911)

OSVersionArchitecturePackageVersionFilename
Ubuntu18.04noarchbind9< 1:9.11.3+dfsg-1ubuntu1.19+esm1UNKNOWN
Ubuntu18.04noarchbind9< 1:9.11.3+dfsg-1ubuntu1.19UNKNOWN
Ubuntu18.04noarchbind9-dbgsym< 1:9.11.3+dfsg-1ubuntu1.19UNKNOWN
Ubuntu18.04noarchbind9-doc< 1:9.11.3+dfsg-1ubuntu1.19UNKNOWN
Ubuntu18.04noarchbind9-host< 1:9.11.3+dfsg-1ubuntu1.19UNKNOWN
Ubuntu18.04noarchbind9-host-dbgsym< 1:9.11.3+dfsg-1ubuntu1.19UNKNOWN
Ubuntu18.04noarchbind9utils< 1:9.11.3+dfsg-1ubuntu1.19UNKNOWN
Ubuntu18.04noarchbind9utils-dbgsym< 1:9.11.3+dfsg-1ubuntu1.19UNKNOWN
Ubuntu18.04noarchdnsutils< 1:9.11.3+dfsg-1ubuntu1.19UNKNOWN
Ubuntu18.04noarchdnsutils-dbgsym< 1:9.11.3+dfsg-1ubuntu1.19UNKNOWN
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CVSS3

7.5

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

AI Score

8.5

Confidence

High

EPSS

0.002

Percentile

51.8%