SAP Cloud Connector 2.0 Mutual Authentication certificate validation

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.
5.5	$0-$5k	0.00

A vulnerability was found in SAP Cloud Connector 2.0 (Cloud Software). It has been declared as problematic. This vulnerability affects an unknown functionality of the component Mutual Authentication Handler. The manipulation with an unknown input leads to a certificate validation vulnerability. The CWE definition for the vulnerability is CWE-295. The product does not validate, or incorrectly validates, a certificate. As an impact it is known to affect confidentiality. CVE summarizes:

Due to improper validation of certificate in SAP Cloud Connector - version 2.0, attacker can impersonate the genuine servers to interact with SCC breaking the mutual authentication. Hence, the attacker can intercept the request to view/modify sensitive information. There is no impact on the availability of the system.

The weakness was disclosed 02/13/2024. The advisory is shared for download at me.sap.com. This vulnerability was named CVE-2024-25642 since 02/09/2024. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 06/11/2024). The MITRE ATT&CK project declares the attack technique as T1587.003.

Applying a patch is able to eliminate this problem.

The entries VDB-147223, VDB-192011 and VDB-193700 are pretty similar.

Productinfo

Type

Cloud Software

Vendor

Name

Cloud Connector

Version

License

commercial

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB CVSS-B Score: 🔒
VulDB CVSS-BT Score: 🔒
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.4
CNA Vector (SAP SE): 🔒

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: 🔍

Exploitinginfo

Class: Certificate validation
CWE: CWE-295 / CWE-287
CAPEC: 🔒
ATT&CK: 🔒

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: 🔍

0-Day Time: 🔒

Timelineinfo

02/09/2024 CVE reserved
02/13/2024 +4 days Advisory disclosed
02/13/2024 +0 days VulDB entry created
06/11/2024 +119 days VulDB entry last update

Sourcesinfo

Vendor: sap.com

Advisory: me.sap.com
Status: Confirmed

CVE: CVE-2024-25642 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20150716
See also: 🔒

Entryinfo

Created: 02/13/2024 07:32
Updated: 06/11/2024 06:12
Changes: 02/13/2024 07:32 (50), 06/11/2024 06:12 (15)
Complete: 🔍
Cache ID: 18:253:103