VDB-92691 · CVE-2016-3635 · ONAPSIS-2016-002

SAP NetWeaver 7.4 UCON Security Protection 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.
7.2	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in SAP NetWeaver 7.4. Impacted is an unknown function of the component UCON Security Protection. Performing a manipulation results in access control. This vulnerability is identified as CVE-2016-3635. The attack can be initiated remotely. There is not any exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability classified as critical has been found in SAP NetWeaver 7.4 (Solution Stack Software). This affects an unknown code of the component UCON Security Protection. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 10/11/2016 by Sergio Abraham as ONAPSIS-2016-002 as not defined mailinglist post (Full-Disclosure). It is possible to read the advisory at seclists.org. This vulnerability is uniquely identified as CVE-2016-3635 since 03/22/2016. It is possible to initiate the attack remotely. A authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 98 days. During that time the estimated underground price was around $5k-$25k.

Applying the patch Security Note 2139366 is able to eliminate this problem. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 93501†). Entry connected to this vulnerability is available at VDB-92693. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Solution Stack Software

Vendor

Name

NetWeaver

Version

License

commercial

Website

Vendor: https://www.sap.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 6.9
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: 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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍

Patch: Security Note 2139366

Timelineinfo

03/03/2015 🔍
03/05/2015 +2 days 🔍
06/09/2015 +96 days 🔍
03/22/2016 +287 days 🔍
10/11/2016 +203 days 🔍
10/11/2016 +0 days 🔍
10/13/2016 +2 days 🔍
10/13/2016 +0 days 🔍
09/26/2022 +2174 days 🔍

Sourcesinfo

Vendor: sap.com

Advisory: ONAPSIS-2016-002
Researcher: Sergio Abraham
Status: Not defined

CVE: CVE-2016-3635 (🔍)
GCVE (CVE): GCVE-0-2016-3635
GCVE (VulDB): GCVE-100-92691
SecurityFocus: 93501 - SAP NetWeaver CVE-2016-3635 Security Bypass Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20150716
See also: 🔍

Entryinfo

Created: 10/13/2016 10:19
Updated: 09/26/2022 08:04
Changes: 10/13/2016 10:19 (58), 05/08/2019 22:20 (12), 09/26/2022 08:04 (3)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.