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ubuntuUbuntuUSN-4737-2
HistoryMar 01, 2021 - 12:00 a.m.

Bind vulnerability

2021-03-0100:00:00
ubuntu.com
121

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.187 Low

EPSS

Percentile

96.2%

Releases

  • Ubuntu 14.04
  • Ubuntu 12.04

Packages

  • bind9 - Internet Domain Name Server

Details

USN-4737-1 fixed a vulnerability in Bind. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that Bind incorrectly handled GSSAPI security policy
negotiation. A remote attacker could use this issue to cause Bind to crash,
resulting in a denial of service, or possibly execute arbitrary code. In
the default installation, attackers would be isolated by the Bind AppArmor
profile.

OSVersionArchitecturePackageVersionFilename
Ubuntu14.04noarchbind9< 1:9.9.5.dfsg-3ubuntu0.19+esm4UNKNOWN
Ubuntu14.04noarchbind9< 1:9.9.5.dfsg-3ubuntu0.19UNKNOWN
Ubuntu14.04noarchbind9-host< 1:9.9.5.dfsg-3ubuntu0.19UNKNOWN
Ubuntu14.04noarchbind9utils< 1:9.9.5.dfsg-3ubuntu0.19UNKNOWN
Ubuntu14.04noarchdnsutils< 1:9.9.5.dfsg-3ubuntu0.19UNKNOWN
Ubuntu14.04noarchlibbind-dev< 1:9.9.5.dfsg-3ubuntu0.19UNKNOWN
Ubuntu14.04noarchlibbind9-90< 1:9.9.5.dfsg-3ubuntu0.19UNKNOWN
Ubuntu14.04noarchlibdns100< 1:9.9.5.dfsg-3ubuntu0.19UNKNOWN
Ubuntu14.04noarchlibisc95< 1:9.9.5.dfsg-3ubuntu0.19UNKNOWN
Ubuntu14.04noarchlibisccc90< 1:9.9.5.dfsg-3ubuntu0.19UNKNOWN
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8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.187 Low

EPSS

Percentile

96.2%