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ubuntuUbuntuUSN-3876-1
HistoryJan 31, 2019 - 12:00 a.m.

Avahi vulnerabilities

2019-01-3100:00:00
ubuntu.com
183

6.4 Medium

CVSS2

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

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

9.3 High

AI Score

Confidence

High

0.056 Low

EPSS

Percentile

93.3%

Releases

  • Ubuntu 18.10
  • Ubuntu 18.04 ESM
  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Packages

  • avahi - Avahi IPv4LL network address configuration daemon

Details

Chad Seaman discovered that Avahi incorrectly handled certain messages.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2017-6519, CVE-2018-1000845)

6.4 Medium

CVSS2

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

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

9.3 High

AI Score

Confidence

High

0.056 Low

EPSS

Percentile

93.3%