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ubuntuUbuntuUSN-5332-1
HistoryMar 17, 2022 - 12:00 a.m.

Bind vulnerabilities

2022-03-1700:00:00
ubuntu.com
102

6.8 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

7 High

AI Score

Confidence

High

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

0.002 Low

EPSS

Percentile

56.3%

Releases

  • Ubuntu 21.10
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM

Packages

  • bind9 - Internet Domain Name Server

Details

Xiang Li, Baojun Liu, Chaoyi Lu, and Changgen Zou discovered that Bind
incorrectly handled certain bogus NS records when using forwarders. A
remote attacker could possibly use this issue to manipulate cache results.
(CVE-2021-25220)

It was discovered that Bind incorrectly handled certain crafted TCP
streams. A remote attacker could possibly use this issue to cause Bind to
consume resources, leading to a denial of service. This issue only affected
Ubuntu 21.10. (CVE-2022-0396)

OSVersionArchitecturePackageVersionFilename
Ubuntu21.10noarchbind9< 1:9.16.15-1ubuntu1.2UNKNOWN
Ubuntu21.10noarchbind9-dbgsym< 1:9.16.15-1ubuntu1.2UNKNOWN
Ubuntu21.10noarchbind9-dev< 1:9.16.15-1ubuntu1.2UNKNOWN
Ubuntu21.10noarchbind9-dnsutils< 1:9.16.15-1ubuntu1.2UNKNOWN
Ubuntu21.10noarchbind9-dnsutils-dbgsym< 1:9.16.15-1ubuntu1.2UNKNOWN
Ubuntu21.10noarchbind9-doc< 1:9.16.15-1ubuntu1.2UNKNOWN
Ubuntu21.10noarchbind9-host< 1:9.16.15-1ubuntu1.2UNKNOWN
Ubuntu21.10noarchbind9-host-dbgsym< 1:9.16.15-1ubuntu1.2UNKNOWN
Ubuntu21.10noarchbind9-libs< 1:9.16.15-1ubuntu1.2UNKNOWN
Ubuntu21.10noarchbind9-libs-dbgsym< 1:9.16.15-1ubuntu1.2UNKNOWN
Rows per page:
1-10 of 671

6.8 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

7 High

AI Score

Confidence

High

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

0.002 Low

EPSS

Percentile

56.3%