VDB-110515 · CVE-2017-16689 · BID 102144

SAP Kernel Trusted RFC Connection improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in SAP Kernel. This impacts an unknown function of the component Trusted RFC Connection Handler. This manipulation causes improper authentication. This vulnerability is registered as CVE-2017-16689. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability has been found in SAP Kernel (version now known) and classified as critical. Affected by this vulnerability is some unknown processing of the component Trusted RFC Connection Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A Trusted RFC connection in SAP KERNEL 32NUC, SAP KERNEL 32Unicode, SAP KERNEL 64NUC, SAP KERNEL 64Unicode 7.21, 7.21EXT, 7.22, 7.22EXT; SAP KERNEL from 7.21 to 7.22, 7.45, 7.49, can be established to a different client or a different user on the same system, although no explicit Trusted/Trusting Relation to the same system has been defined.

The bug was discovered 12/12/2017. The weakness was published 12/12/2017 (Website). It is possible to read the advisory at blogs.sap.com. This vulnerability is known as CVE-2017-16689 since 11/09/2017. The attack can be launched remotely. Required for exploitation is a single authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/26/2021).

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 102144†). Similar entries are available at VDB-110506, VDB-110507, VDB-110508 and VDB-110509. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/09/2017 🔍
12/12/2017 +33 days 🔍
12/12/2017 +0 days 🔍
12/12/2017 +0 days 🔍
12/12/2017 +0 days 🔍
12/13/2017 +1 days 🔍
01/26/2021 +1140 days 🔍

Sourcesinfo

Vendor: sap.com

Advisory: blogs.sap.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-16689 (🔍)
GCVE (CVE): GCVE-0-2017-16689
GCVE (VulDB): GCVE-100-110515
SecurityFocus: 102144 - SAP Kernel CVE-2017-16689 Authentication Bypass Vulnerability

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

Entryinfo

Created: 12/13/2017 07:39
Updated: 01/26/2021 18:44
Changes: 12/13/2017 07:39 (42), 12/14/2019 06:37 (10), 01/26/2021 18:44 (13)
Complete: 🔍
Cache ID: 216:541:103

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

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