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CVE-2016-7030

Published: 28 August 2017

FreeIPA uses a default password policy that locks an account after 5 unsuccessful authentication attempts, which allows remote attackers to cause a denial of service by locking out the account in which system services run on.

From the Ubuntu Security Team

It was discovered that FreeIPA incorrectly handled authentication attempts. An attacker could possibly use this issue to cause a denial of service.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
freeipa
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
bionic Not vulnerable
(4.4.4-1)
cosmic Not vulnerable
(4.4.4-1)
disco Not vulnerable
(4.4.4-1)
eoan Not vulnerable
(4.4.4-1)
focal Not vulnerable
(4.4.4-1)
groovy Not vulnerable
(4.4.4-1)
impish Not vulnerable
(4.4.4-1)
jammy Not vulnerable
(4.4.4-1)
precise Ignored
(end of life)
trusty
Released (3.3.4-0ubuntu3.1+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream
Released (4.4.4-1)
yakkety Ignored
(end of life)
zesty Ignored
(end of life)
hirsute Not vulnerable
(4.4.4-1)
xenial
Released (4.3.1-0ubuntu1+esm1)
Available with Ubuntu Pro
Patches:
upstream: https://pagure.io/freeipa/c/08e7af9f0f8acac3dcd8dde1eee53261e5d25f1f?branch=ipa-4-4
upstream: https://pagure.io/freeipa/c/171bc3e6853f905184584e414cefa4f7296c02ea?branch=ipa-4-4 (testcases)
upstream: https://pagure.io/freeipa/c/84f6df6349b5c412467746777e905d9e4f8792ca?branch=ipa-4-4 (regression fix)
upstream: https://pagure.io/freeipa/c/f0f48ec14f3ff55852393927533ffd253cb5a04b?branch=ipa-4-4 (tests)
upstream: https://pagure.io/freeipa/c/e02323c1c3b3c3dadd57d9f1885ec1af046718de?branch=ipa-4-4 (tests)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H