Vulnerability Name:

CVE-2016-7030 (CCN-120345)

Assigned:2016-12-14
Published:2016-12-14
Updated:2018-01-05
Summary: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.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
7.5 High (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
4.3 Medium (REDHAT CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-255
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2016-7030

Source: CCN
Type: RHSA-2017-0001
Moderate: ipa security update

Source: REDHAT
Type: UNKNOWN
RHSA-2017:0001

Source: MLIST
Type: Mailing List, Third Party Advisory
[oss-security] 20170102 freeIPA CVEs CVE-2016-9575 (insufficient permission check) & CVE-2016-7030 (DoS)

Source: BID
Type: Third Party Advisory, VDB Entry
94934

Source: CCN
Type: BID-94934
FreeIPA CVE-2016-7030 Denial of Service Vulnerability

Source: CCN
Type: Red Hat Bugzilla Bug 1370493
(CVE-2016-7030) CVE-2016-7030 ipa: DoS attack against kerberized services by abusing password policy

Source: CONFIRM
Type: Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1370493

Source: XF
Type: UNKNOWN
freeipa-cve20167030-dos(120345)

Source: CCN
Type: FreeIPA GIT Repository
FreeIPA

Source: CONFIRM
Type: Third Party Advisory
https://pagure.io/freeipa?id=6f1d927467e7907fd1991f88388d96c67c9bff61

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2016-7030

Vulnerable Configuration:Configuration 1:
  • cpe:/a:freeipa:freeipa:4.6.0:*:*:*:*:*:*:*

    • Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:7:*:*:*:*:*:*:*

    • Configuration RedHat 2:
  • cpe:/o:redhat:enterprise_linux:7::client:*:*:*:*:*

    • Configuration RedHat 3:
  • cpe:/o:redhat:enterprise_linux:7::computenode:*:*:*:*:*

    • Configuration RedHat 4:
  • cpe:/o:redhat:enterprise_linux:7::server:*:*:*:*:*

    • Configuration RedHat 5:
  • cpe:/o:redhat:enterprise_linux:7::workstation:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:freeipa:freeipa:-:*:*:*:*:*:*:*
  • AND
  • cpe:/o:redhat:enterprise_linux_desktop:7:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_hpc_node:7:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_server:7:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_workstation:7:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.cosmic:def:201670300000000
    V
    		CVE-2016-7030 on Ubuntu 18.10 (cosmic) - medium.
    2017-08-28
    oval:com.ubuntu.bionic:def:201670300000000
    V
    		CVE-2016-7030 on Ubuntu 18.04 LTS (bionic) - medium.
    2017-08-28
    oval:com.ubuntu.artful:def:20167030000
    V
    		CVE-2016-7030 on Ubuntu 17.10 (artful) - medium.
    2017-08-28
    oval:com.ubuntu.trusty:def:20167030000
    V
    		CVE-2016-7030 on Ubuntu 14.04 LTS (trusty) - medium.
    2017-08-28
    oval:com.ubuntu.xenial:def:201670300000000
    V
    		CVE-2016-7030 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-08-28
    oval:com.ubuntu.bionic:def:20167030000
    V
    		CVE-2016-7030 on Ubuntu 18.04 LTS (bionic) - medium.
    2017-08-28
    oval:com.ubuntu.xenial:def:20167030000
    V
    		CVE-2016-7030 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-08-28
    oval:com.ubuntu.disco:def:201670300000000
    V
    		CVE-2016-7030 on Ubuntu 19.04 (disco) - medium.
    2017-08-28
    oval:com.ubuntu.cosmic:def:20167030000
    V
    		CVE-2016-7030 on Ubuntu 18.10 (cosmic) - medium.
    2017-08-28
    oval:com.redhat.rhsa:def:20170001
    P
    		RHSA-2017:0001: ipa security update (Moderate)
    2017-01-02
    oval:com.ubuntu.precise:def:20167030000
    V
    		CVE-2016-7030 on Ubuntu 12.04 LTS (precise) - medium.
    2016-12-14
    BACK
    freeipa freeipa 4.6.0
    freeipa freeipa -
    redhat enterprise linux desktop 7
    redhat enterprise linux hpc node 7
    redhat enterprise linux server 7
    redhat enterprise linux workstation 7
    redhat enterprise linux server tus 7.3