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CVE-2017-14062

Published: 31 August 2017

Integer overflow in the decode_digit function in puny_decode.c in Libidn2 before 2.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact.

From the Ubuntu Security Team

USN-3421-1 fixed a vulnerability in Libidn2. This update provides the corresponding update for Ubuntu 14.04 ESM.

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
libidn
Launchpad, Ubuntu, Debian
groovy Not vulnerable
(1.33-2)
artful Not vulnerable
(1.33-2)
bionic Not vulnerable
(1.33-2)
cosmic Not vulnerable
(1.33-2)
disco Not vulnerable
(1.33-2)
eoan Not vulnerable
(1.33-2)
focal Not vulnerable
(1.33-2)
impish Not vulnerable
(1.33-2)
trusty
Released (1.28-1ubuntu2.2)
upstream Needs triage

xenial
Released (1.32-3ubuntu1.2)
zesty
Released (1.33-1ubuntu0.1)
hirsute Not vulnerable
(1.33-2)
jammy Not vulnerable
(1.33-2)
libidn2
Launchpad, Ubuntu, Debian
groovy Not vulnerable
(fixed already)
artful Does not exist

bionic Not vulnerable
(fixed already)
cosmic Not vulnerable
(fixed already)
disco Not vulnerable
(fixed already)
eoan Not vulnerable
(fixed already)
focal Not vulnerable
(fixed already)
hirsute Not vulnerable
(fixed already)
impish Not vulnerable
(fixed already)
jammy Not vulnerable
(fixed already)
trusty Does not exist

upstream Needs triage

xenial Does not exist

zesty Does not exist

libidn2-0
Launchpad, Ubuntu, Debian
groovy Does not exist

artful Not vulnerable
(fixed already)
bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

impish Does not exist

jammy Does not exist

trusty
Released (0.9-1ubuntu0.1~esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream Needs triage

xenial
Released (0.10-3ubuntu0.1~esm1)
Available with Ubuntu Pro
zesty
Released (0.16-1ubuntu0.1)
hirsute Does not exist

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H