VDB-94637 · CVE-2016-6659 · BID 95085

Cloud Foundry UAA Log 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 (≈)
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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.
7.3$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Cloud Foundry. This issue affects some unknown processing of the component UAA Log Handler. The manipulation leads to improper authentication. This vulnerability is uniquely identified as CVE-2016-6659. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Cloud Foundry (Cloud Software) (the affected version is unknown). This issue affects an unknown code of the component UAA Log Handler. The manipulation 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. The summary by CVE is:

Cloud Foundry before 248; UAA 2.x before 2.7.4.12, 3.x before 3.6.5, and 3.7.x through 3.9.x before 3.9.3; and UAA bosh release (aka uaa-release) before 13.9 for UAA 3.6.5 and before 24 for UAA 3.9.3 allow attackers to gain privileges by accessing UAA logs and subsequently running a specially crafted application that interacts with a configured SAML provider.

The bug was discovered 12/14/2016. The weakness was disclosed 12/23/2016 by DiGiT (Website). The advisory is shared at securityfocus.com. The identification of this vulnerability is CVE-2016-6659 since 08/10/2016. 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.

The vulnerability was handled as a non-public zero-day exploit for at least 9 days. During that time the estimated underground price was around $0-$5k.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 95085†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/10/2016 🔍
12/14/2016 +126 days 🔍
12/23/2016 +9 days 🔍
12/23/2016 +0 days 🔍
12/23/2016 +0 days 🔍
12/23/2016 +0 days 🔍
07/14/2019 +933 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: DiGiT
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-6659 (🔍)
GCVE (CVE): GCVE-0-2016-6659
GCVE (VulDB): GCVE-100-94637
SecurityFocus: 95085 - Cloud Foundry UAA CVE-2016-6659 Privilege Escalation Vulnerability

Entryinfo

Created: 12/23/2016 10:13
Updated: 07/14/2019 20:47
Changes: 12/23/2016 10:13 (53), 07/14/2019 20:47 (10)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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