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ubuntuUbuntuUSN-4986-2
HistoryJun 09, 2021 - 12:00 a.m.

rpcbind vulnerability

2021-06-0900:00:00
ubuntu.com
183

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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.9 High

AI Score

Confidence

High

7.8 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

0.551 Medium

EPSS

Percentile

97.6%

Releases

  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Packages

  • rpcbind - converts RPC program numbers into universal addresses

Details

USN-4986-1 fixed a vulnerability in rpcbind. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory details:

It was discovered that rpcbind incorrectly handled certain large data
sizes. A remote attacker could use this issue to cause rpcbind to consume
resources, leading to a denial of service.

OSVersionArchitecturePackageVersionFilename
Ubuntu16.04noarchrpcbind<ย 0.2.3-0.2ubuntu0.16.04.1+esm1UNKNOWN
Ubuntu16.04noarchrpcbind<ย 0.2.3-0.2ubuntu0.16.04.1UNKNOWN
Ubuntu16.04noarchrpcbind-dbgsym<ย 0.2.3-0.2ubuntu0.16.04.1UNKNOWN
Ubuntu14.04noarchrpcbind<ย 0.2.1-2ubuntu2.2+esm1UNKNOWN
Ubuntu14.04noarchrpcbind<ย 0.2.1-2ubuntu2.2UNKNOWN
Ubuntu14.04noarchrpcbind-dbgsym<ย 0.2.1-2ubuntu2.2UNKNOWN

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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.9 High

AI Score

Confidence

High

7.8 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

0.551 Medium

EPSS

Percentile

97.6%