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.
4.5	$0-$5k	0.00

A vulnerability was found in Apache Hadoop up to 2.6.3/2.7.1 (Network Management Software). It has been classified as problematic. This affects an unknown functionality of the component HDFS. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

This is an information disclosure vulnerability in Apache Hadoop before 2.6.4 and 2.7.x before 2.7.2 in the short-circuit reads feature of HDFS. A local user on an HDFS DataNode may be able to craft a block token that grants unauthorized read access to random files by guessing certain fields in the token.

The bug was discovered 12/16/2016. The weakness was released 08/30/2017 as not defined mailinglist post (oss-sec). The advisory is shared at seclists.org. This vulnerability is uniquely identified as CVE-2016-5001 since 05/24/2016. The exploitability is told to be easy. An attack has to be approached locally. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly 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 257 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 2.6.4 or 2.7.2 eliminates this vulnerability.

Productinfo

Type

• Network Management Software

Vendor

• Apache

Name

• Hadoop

Version

• 2.6.0
• 2.6.1
• 2.6.2
• 2.6.3
• 2.7.0
• 2.7.1

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.6

VulDB Base Score: 4.0
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
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: 🔍

Local: Yes
Remote: No

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: 801284
OpenVAS Name: Apache Hadoop Information Disclosure Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Hadoop 2.6.4/2.7.2

Timelineinfo

05/24/2016 🔍
12/16/2016 +206 days 🔍
12/19/2016 +3 days 🔍
08/30/2017 +254 days 🔍
08/30/2017 +0 days 🔍
08/31/2017 +1 days 🔍
01/10/2021 +1228 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: seclists.org
Researcher: Kihwal Lee
Status: Not defined

CVE: CVE-2016-5001 (🔍)
SecurityFocus: 94950 - Apache Hadoop CVE-2016-5001 Local Information Disclosure Vulnerability

Entryinfo

Created: 08/31/2017 09:15
Updated: 01/10/2021 12:48
Changes: 08/31/2017 09:15 (66), 04/28/2020 17:24 (3), 01/10/2021 12:48 (2)
Complete: 🔍

Discussion

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