VDB-123915 · CVE-2018-2455 · BID 105320

SAP Enterprise Financial Services up to 8.0 improper authorization

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.
7.5	$5k-$25k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in SAP Enterprise Financial Services up to 8.0. Affected by this vulnerability is an unknown functionality. Performing a manipulation results in improper authorization. This vulnerability is known as CVE-2018-2455. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, was found in SAP Enterprise Financial Services up to 8.0 (Financial Software). This affects an unknown functionality. The manipulation with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

SAP Enterprise Financial Services, versions 6.05, 6.06, 6.16, 6.17, 6.18, 8.0 (in business function EAFS_BCA_BUSOPR_SEPA) does not perform necessary authorization checks for an authenticated user, resulting in escalation of privileges.

The bug was discovered 09/11/2018. The weakness was published 09/11/2018 (Website). It is possible to read the advisory at wiki.scn.sap.com. This vulnerability is uniquely identified as CVE-2018-2455 since 12/14/2017. The exploitability is told to be easy. It is possible to initiate the attack remotely. The successful exploitation needs a authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 03/22/2020). The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

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 105320†). Similar entries are available at VDB-123914, VDB-123920, VDB-123913 and VDB-123916. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Financial Software

Vendor

Name

Enterprise Financial Services

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: 7.6
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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / 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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/14/2017 🔍
09/11/2018 +270 days 🔍
09/11/2018 +0 days 🔍
09/11/2018 +0 days 🔍
09/11/2018 +0 days 🔍
09/12/2018 +1 days 🔍
03/22/2020 +557 days 🔍

Sourcesinfo

Vendor: sap.com

Advisory: wiki.scn.sap.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-2455 (🔍)
GCVE (CVE): GCVE-0-2018-2455
GCVE (VulDB): GCVE-100-123915
SecurityFocus: 105320 - SAP Enterprise Financial Services CVE-2018-2455 Remote Authorization Bypass Vulnerability

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

Entryinfo

Created: 09/12/2018 09:35
Updated: 03/22/2020 21:52
Changes: 09/12/2018 09:35 (58), 03/22/2020 21:52 (4)
Complete: 🔍
Cache ID: 216::103

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