VDB-82250 · CVE-2016-0733 · BID 82871

Apache Ranger up to 0.5.0 Admin UI Username improper authentication

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.
9.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Apache Ranger up to 0.5.0. This vulnerability affects unknown code of the component Admin UI. Such manipulation of the argument Username leads to improper authentication. This vulnerability is referenced as CVE-2016-0733. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apache Ranger up to 0.5.0. It has been rated as very critical. Affected by this issue is an unknown function of the component Admin UI. The manipulation of the argument Username with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The Admin UI in Apache Ranger before 0.5.1 does not properly handle authentication requests that lack a password, which allows remote attackers to bypass authentication by leveraging knowledge of a valid username.

The weakness was published 04/12/2016 (Website). The advisory is available at mail-archives.apache.org. This vulnerability is handled as CVE-2016-0733 since 12/15/2015. The attack may be launched remotely. The successful exploitation requires a simple authentication. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/05/2018).

Upgrading to version 0.5.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 82871†). Similar entries are available at VDB-82052, VDB-82053, VDB-82212 and VDB-87888. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍
Upgrade: Ranger 0.5.1

Timelineinfo

12/15/2015 🔍
02/04/2016 +51 days 🔍
04/12/2016 +67 days 🔍
04/12/2016 +0 days 🔍
04/13/2016 +1 days 🔍
10/05/2018 +905 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: mail-archives.apache.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-0733 (🔍)
GCVE (CVE): GCVE-0-2016-0733
GCVE (VulDB): GCVE-100-82250
SecurityFocus: 82871 - Apache Ranger Authentication Bypass and Security Bypass Vulnerabilities

See also: 🔍

Entryinfo

Created: 04/13/2016 10:05
Updated: 10/05/2018 07:40
Changes: 04/13/2016 10:05 (51), 10/05/2018 07:40 (14)
Complete: 🔍
Cache ID: 216:F0F:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!