Lucene search

K
ubuntuUbuntuUSN-5173-1
HistoryDec 06, 2021 - 12:00 a.m.

libmodbus vulnerabilities

2021-12-0600:00:00
ubuntu.com
48
libmodbus
input handling
denial of service
ubuntu 18.04
esm
modbus protocol

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

9.2

Confidence

High

EPSS

0.005

Percentile

77.2%

Releases

  • Ubuntu 18.04 ESM

Packages

  • libmodbus - Library to send/receive data according to the Modbus protocol

Details

It was discovered that libmodbus incorrectly handled inputs. An attacker
could possibly use this issue to cause a denial of service or other
unspecified impact.

OSVersionArchitecturePackageVersionFilename
Ubuntu18.04noarchlibmodbus5< 3.0.6-2+deb9u1build0.18.04.1UNKNOWN
Ubuntu18.04noarchlibmodbus-dev< 3.0.6-2+deb9u1build0.18.04.1UNKNOWN
Ubuntu18.04noarchlibmodbus5-dbgsym< 3.0.6-2+deb9u1build0.18.04.1UNKNOWN

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

9.2

Confidence

High

EPSS

0.005

Percentile

77.2%