Cloudera Manager up to 5.5 logs filename information disclosure

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.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Cloudera Manager up to 5.5. It has been classified as problematic. This issue affects some unknown processing of the file /cmf/process/<process_id>/logs. This manipulation of the argument filename causes information disclosure. This vulnerability is registered as CVE-2016-4949. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Cloudera Manager up to 5.5 (Cloud Software). It has been declared as problematic. Affected by this vulnerability is an unknown code block of the file /cmf/process/<process_id>/logs. The manipulation of the argument filename with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

Cloudera Manager 5.5 and earlier allows remote attackers to obtain sensitive information via a (1) stderr.log or (2) stdout.log value in the filename parameter to /cmf/process/<process_id>/logs.

The bug was discovered 10/19/2016. The weakness was published 03/07/2017 (Website). The advisory is shared at 2016.hack.lu. This vulnerability is known as CVE-2016-4949 since 05/20/2016. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 139 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 11917 (Cloudera Manager Multiple Vulnerabilities.).

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

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 93882†). Similar entries are available at VDB-97582, VDB-97583, VDB-97584 and VDB-97586. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Cloud Software

Vendor

• Cloudera

Name

• Manager

Version

• 5.0
• 5.1
• 5.2
• 5.3
• 5.4
• 5.5

License

• commercial

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
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
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / 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

OpenVAS ID: 100755
OpenVAS Name: Cloudera Manager Multiple Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/20/2016 🔍
10/19/2016 +152 days 🔍
10/19/2016 +0 days 🔍
03/07/2017 +139 days 🔍
03/07/2017 +0 days 🔍
03/07/2017 +0 days 🔍
12/29/2019 +1027 days 🔍

Sourcesinfo

Advisory: 2016.hack.lu
Status: Not defined

CVE: CVE-2016-4949 (🔍)
GCVE (CVE): GCVE-0-2016-4949
GCVE (VulDB): GCVE-100-97585
SecurityFocus: 93882 - Cloudera Manager CVE-2016-4949 Information Disclosure Vulnerability

See also: 🔍

Entryinfo

Created: 03/07/2017 21:54
Updated: 12/29/2019 21:43
Changes: 03/07/2017 21:54 (67), 12/29/2019 21:43 (3)
Complete: 🔍
Cache ID: 216::103

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

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