Vulnerability CVE-2016-9849 - CERT Civis.Net

Vulnerability Name:

CVE-2016-9849 (CCN-119813)

Assigned:

2016-12-06

Published:

2016-12-06

Updated:

2017-07-01

Summary:

An issue was discovered in phpMyAdmin. It is possible to bypass AllowRoot restriction ($cfg['Servers'][$i]['AllowRoot']) and deny rules for username by using Null Byte in the username. All 4.6.x versions (prior to 4.6.5), 4.4.x versions (prior to 4.4.15.9), and 4.0.x versions (prior to 4.0.10.18) are affected.

CVSS v3 Severity:

9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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): High Integrity (I): High 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:L/A:N)
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:L/A:N/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): Low Availibility (A): None

CVSS v2 Severity:

7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): Partial Availibility (A): None

Vulnerability Type:

Vulnerability Consequences:

Bypass Security

References:

Source: MITRE
Type: CNA
CVE-2016-9849

Source: BID
Type: Third Party Advisory, VDB Entry
94521

Source: CCN
Type: BID-94521
phpMyAdmin PMASA-2016-60 Remote Multiple Security Bypass Vulnerabilities

Source: XF
Type: UNKNOWN
phpmyadmin-cve20169849-sec-bypass(119813)

Source: MLIST
Type: UNKNOWN
[debian-lts-announce] 20190617 [SECURITY] [DLA 1821-1] phpmyadmin security update

Source: GENTOO
Type: UNKNOWN
GLSA-201701-32

Source: CONFIRM
Type: Patch, Vendor Advisory
https://www.phpmyadmin.net/security/PMASA-2016-60

Source: CCN
Type: phpMyAdmin Security Advisory PMASA-2016-60
Username deny rules bypass (AllowRoot & Others) by using Null Byte

Vulnerable Configuration:

Configuration 1:

cpe:/a:phpmyadmin:phpmyadmin:4.0.0:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.0.1:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.0.2:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.0.3:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.0.4:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.0.4.1:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.0.4.2:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.0.5:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.0.6:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.0.7:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.0.8:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.0.9:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.0.10:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.0.10.1:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.0.10.2:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.0.10.3:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.0.10.4:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.0.10.5:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.0.10.6:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.0.10.7:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.0.10.8:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.0.10.9:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.0.10.10:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.0.10.11:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.0.10.12:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.0.10.13:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.0.10.14:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.0.10.15:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.0.10.16:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.0.10.17:*:*:*:*:*:*:*

Configuration 2:

cpe:/a:phpmyadmin:phpmyadmin:4.6.0:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.6.1:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.6.2:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.6.3:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.6.4:*:*:*:*:*:*:*

Configuration 3:

cpe:/a:phpmyadmin:phpmyadmin:4.4.0:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.4.1:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.4.1.1:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.4.2:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.4.3:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.4.4:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.4.5:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.4.6:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.4.6.1:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.4.7:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.4.8:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.4.9:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.4.10:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.4.11:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.4.12:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.4.13:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.4.13.1:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.4.14:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.4.14.1:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.4.15:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.4.15.1:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.4.15.2:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.4.15.3:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.4.15.4:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.4.15.5:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.4.15.6:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.4.15.7:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.4.15.8:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/a:phpmyadmin:phpmyadmin:4.6.4:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.4.15.8:*:*:*:*:*:*:*

OR cpe:/a:phpmyadmin:phpmyadmin:4.0.10.17:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:113141	P	phpMyAdmin-4.6.5.2-1.1 on GA media (Moderate)	2022-01-17
oval:org.opensuse.security:def:106569	P	phpMyAdmin-4.6.5.2-1.1 on GA media (Moderate)	2021-10-01
oval:com.ubuntu.bionic:def:201698490000000	V	CVE-2016-9849 on Ubuntu 18.04 LTS (bionic) - medium.	2016-12-11
oval:com.ubuntu.xenial:def:201698490000000	V	CVE-2016-9849 on Ubuntu 16.04 LTS (xenial) - medium.	2016-12-11
oval:com.ubuntu.disco:def:201698490000000	V	CVE-2016-9849 on Ubuntu 19.04 (disco) - medium.	2016-12-11
oval:com.ubuntu.artful:def:20169849000	V	CVE-2016-9849 on Ubuntu 17.10 (artful) - medium.	2016-12-10
oval:com.ubuntu.trusty:def:20169849000	V	CVE-2016-9849 on Ubuntu 14.04 LTS (trusty) - medium.	2016-12-10
oval:com.ubuntu.bionic:def:20169849000	V	CVE-2016-9849 on Ubuntu 18.04 LTS (bionic) - medium.	2016-12-10
oval:com.ubuntu.xenial:def:20169849000	V	CVE-2016-9849 on Ubuntu 16.04 LTS (xenial) - medium.	2016-12-10
oval:com.ubuntu.cosmic:def:20169849000	V	CVE-2016-9849 on Ubuntu 18.10 (cosmic) - medium.	2016-12-10
oval:com.ubuntu.cosmic:def:201698490000000	V	CVE-2016-9849 on Ubuntu 18.10 (cosmic) - medium.	2016-12-10
oval:com.ubuntu.precise:def:20169849000	V	CVE-2016-9849 on Ubuntu 12.04 LTS (precise) - medium.	2016-12-10