VDB-99545 · CVE-2016-6605 · Qualys 11915

CDH up to 5.7.2/5.8.0 Impala access control

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in CDH up to 5.7.2/5.8.0. It has been classified as critical. The affected element is an unknown function of the component Impala. The manipulation leads to access control. This vulnerability is referenced as CVE-2016-6605. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in CDH up to 5.7.2/5.8.0 and classified as critical. This issue affects an unknown code block of the component Impala. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Impala in CDH 5.2.0 through 5.7.2 and 5.8.0 allows remote attackers to bypass Setry authorization.

The bug was discovered 07/26/2016. The weakness was published 04/10/2017 (Website). The advisory is shared at cloudera.com. The identification of this vulnerability is CVE-2016-6605 since 08/05/2016. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 258 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11915 (Cloudera CDH Impala Views Authentication Bypass Vulnerability).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/26/2016 🔍
08/05/2016 +10 days 🔍
04/10/2017 +248 days 🔍
04/10/2017 +0 days 🔍
04/11/2017 +1 days 🔍
08/28/2020 +1235 days 🔍

Sourcesinfo

Advisory: cloudera.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-6605 (🔍)
GCVE (CVE): GCVE-0-2016-6605
GCVE (VulDB): GCVE-100-99545
OSVDB: - CVE-2016-6605 - Cloudera - CDH - Security Bypass Issue

Entryinfo

Created: 04/11/2017 09:41
Updated: 08/28/2020 16:02
Changes: 04/11/2017 09:41 (58), 08/28/2020 16:02 (3)
Complete: 🔍
Cache ID: 216:C45:103