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CVE-2018-2433 Denial of Service (DOS) in SAP Gateway, SAP security note 2597913

Description

SAP Gateway allows an attacker to prevent legitimate users from accessing a service, either by crashing or flooding the service.

This security note addresses 2 similar Denial of Service (DoS) vulnerabilities in SAP Gateway.

Some well-known impacts of DoS vulnerability are –

  • long response delays and service interruptions, thus degrading the service quality experienced by legitimate users
  • direct impact on availability

CVSS Information

CVSS v3 Base Score: 5.9 / 10 
CVSS v3 Base Vector:

AV : Attack Vector (Related exploit range)

Network (N)

AC : Attack Complexity (Required attack complexity)

High (H)

PR : Privileges Required (Level of privileges needed to exploit)

None (N)

UI : User Interaction (Required user participation)

None (N)

S : Scope (Change in scope due to impact caused to components beyond the vulnerable component)

Unchanged (U)

C : Impact to Confidentiality

None (N)

I : Impact to Integrity

None (N)

A : Impact to Availability

High (H)

CVSS v3 Base Score: 5.3 / 10

CVSS v3 Base Vectors: AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

SAP provides this CVSS v3 base score as an estimate of the risk posed by the issue reported in this note. This estimate does not take into account your own system configuration or operational environment. It is not intended to replace any risk assessments you are advised to conduct when deciding on the applicability or priority of this SAP security note. For more information, see the FAQ section at https://support.sap.com/securitynotes.

Available fix and Supported packages

  • KRNL32NUC | 7.21 | 7.21
  • KRNL32NUC | 7.21EXT | 7.21EXT
  • KRNL32UC | 7.21 | 7.21
  • KRNL32UC | 7.21EXT | 7.21EXT
  • KRNL64NUC | 7.21 | 7.21
  • KRNL64NUC | 7.21EXT | 7.21EXT
  • KRNL64NUC | 7.22 | 7.22
  • KRNL64NUC | 7.22EXT | 7.22EXT
  • KRNL64NUC | 7.49 | 7.49
  • KRNL64UC | 7.21 | 7.21
  • KRNL64UC | 7.21EXT | 7.21EXT
  • KRNL64UC | 7.22 | 7.22
  • KRNL64UC | 7.22EXT | 7.22EXT
  • KRNL64UC | 7.49 | 7.49
  • KRNL64UC | 7.53 | 7.53
  • KERNEL | 7.21 | 7.22
  • KERNEL | 7.45 | 7.45
  • KERNEL | 7.49 | 7.49
  • KERNEL | 7.53 | 7.53
  • SAP KERNEL 7.21 32-BIT | SP1016 | 001016
  • SAP KERNEL 7.21 32-BIT UNICODE | SP1016 | 001016
  • SAP KERNEL 7.21 64-BIT | SP1016 | 001016
  • SAP KERNEL 7.21 64-BIT UNICODE | SP1016 | 001016
  • SAP KERNEL 7.21 EXT 64-BIT | SP1016 | 001016
  • SAP KERNEL 7.21 EXT 64-BIT UC | SP1016 | 001016
  • SAP KERNEL 7.22 64-BIT | SP610 | 000610
  • SAP KERNEL 7.22 64-BIT UNICODE | SP610 | 000610
  • SAP KERNEL 7.22 EXT 64-BIT | SP610 | 000610
  • SAP KERNEL 7.22 EXT 64-BIT UC | SP610 | 000610
  • SAP KERNEL 7.45 64-BIT | SP715 | 000715
  • SAP KERNEL 7.45 64-BIT UNICODE | SP715 | 000715
  • SAP KERNEL 7.49 64-BIT | SP510 | 000510
  • SAP KERNEL 7.49 64-BIT UNICODE | SP510 | 000510
  • SAP KERNEL 7.53 64-BIT | SP110 | 000110
  • SAP KERNEL 7.53 64-BIT UNICODE | SP110 | 000110

Affected component

    BC-CST-GW
    Gateway/CPIC

CVSS

Score: 0

Exploit

Exploit is not available.
For detailed information please contact the mail [email protected]

URL

https://launchpad.support.sap.com/#/notes/2597913

TAGS

#&65279-DoS
#DDoS
#Distributed-Denial-of-Service
#Uncontrolled-Resource-consumption
#Resource-Exhaustion
#&160-CVE-2018-2433