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ubuntuUbuntuUSN-6183-1
HistoryJun 21, 2023 - 12:00 a.m.

Bind vulnerabilities

2023-06-2100:00:00
ubuntu.com
44
ubuntu
bind9
cache size limit
denial of service
cve-2023-2828
recursive-clients quota
crash
cve-2023-2911

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

8.2

Confidence

High

EPSS

0.002

Percentile

51.8%

Releases

  • Ubuntu 23.04
  • Ubuntu 22.10
  • Ubuntu 22.04 LTS
  • Ubuntu 20.04 LTS

Packages

  • bind9 - Internet Domain Name Server

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
Ubuntu23.04noarchbind9< 1:9.18.12-1ubuntu1.1UNKNOWN
Ubuntu23.04noarchbind9-dbgsym< 1:9.18.12-1ubuntu1.1UNKNOWN
Ubuntu23.04noarchbind9-dev< 1:9.18.12-1ubuntu1.1UNKNOWN
Ubuntu23.04noarchbind9-dnsutils< 1:9.18.12-1ubuntu1.1UNKNOWN
Ubuntu23.04noarchbind9-dnsutils-dbgsym< 1:9.18.12-1ubuntu1.1UNKNOWN
Ubuntu23.04noarchbind9-doc< 1:9.18.12-1ubuntu1.1UNKNOWN
Ubuntu23.04noarchbind9-host< 1:9.18.12-1ubuntu1.1UNKNOWN
Ubuntu23.04noarchbind9-host-dbgsym< 1:9.18.12-1ubuntu1.1UNKNOWN
Ubuntu23.04noarchbind9-libs< 1:9.18.12-1ubuntu1.1UNKNOWN
Ubuntu23.04noarchbind9-libs-dbgsym< 1:9.18.12-1ubuntu1.1UNKNOWN
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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

8.2

Confidence

High

EPSS

0.002

Percentile

51.8%