VDB-130904 · CVE-2019-0255 · BID 106987

SAP NetWeaver AS ABAP/Krnl64nuc/Kernel 7.73/7.74/7.75 input 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.
7.2	$5k-$25k	0.00

Summaryinfo

A vulnerability was found in SAP NetWeaver AS ABAP, Krnl64nuc and Kernel 7.73/7.74/7.75 and classified as critical. This issue affects some unknown processing. Such manipulation leads to input validation. This vulnerability is traded as CVE-2019-0255. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in SAP NetWeaver AS ABAP, Krnl64nuc and Kernel 7.73/7.74/7.75 (Solution Stack Software). It has been rated as critical. Affected by this issue is an unknown code. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. CVE summarizes:

SAP NetWeaver AS ABAP Platform, Krnl64nuc 7.74, krnl64UC 7.73, 7.74, Kernel 7.73, 7.74, 7.75, fails to validate type of installation for an ABAP Server system correctly. That behavior may lead to situation, where business user achieves access to the full SAP Menu, that is 'Easy Access Menu'. The situation can be misused by any user to leverage privileges to business functionality.

The bug was discovered 02/12/2019. The weakness was shared 02/15/2019 (Website). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-2019-0255 since 11/26/2018. The attack may be launched remotely. A simple authentication is needed for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 07/10/2023).

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $5k-$25k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Solution Stack Software

Vendor

Name

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: 7.2
VulDB Meta Temp Score: 7.2

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

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

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

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: Input validation
CWE: CWE-20
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

11/26/2018 🔍
02/12/2019 +78 days 🔍
02/15/2019 +3 days 🔍
02/16/2019 +1 days 🔍
07/10/2023 +1605 days 🔍

Sourcesinfo

Vendor: sap.com

Advisory: securityfocus.com⛔
Status: Not defined

CVE: CVE-2019-0255 (🔍)
GCVE (CVE): GCVE-0-2019-0255
GCVE (VulDB): GCVE-100-130904
SecurityFocus: 106987

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

Entryinfo

Created: 02/16/2019 14:22
Updated: 07/10/2023 14:17
Changes: 02/16/2019 14:22 (54), 05/10/2020 17:18 (2), 07/10/2023 14:17 (3)
Complete: 🔍
Cache ID: 216::103