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Vahagn Vardanian

Vahagn Vardanian

Co-founder and CTO of RedRays

CVE-2018-2423 Denial of Service in SAP Internet Graphic Server (IGS) RFC listener, SAP security note 2620744

Description

The SAP Internet Graphic Server (IGS) HTTP and RFC listener allows an attacker to prevent legitimate users from accessing a service, either by crashing or flooding the service.

Some well-known impacts of Denial of Service 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: 5.3 / 10
CVSS v3 Base Vector:

AV : Attack Vector (Related exploit range)

Network (N)

AC : Attack Complexity (Required attack complexity)

Low (L)

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

Low (L)

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

  • BC-FES-IGS | 7.20 | 7.20
  • BC-FES-IGS | 7.20EXT | 7.20EXT
  • BC-FES-IGS | 7.45 | 7.45
  • BC-FES-IGS | 7.49 | 7.49
  • BC-FES-IGS | 7.53 | 7.53
  • SAP IGS 7.20 | SP017 | 000017
  • SAP IGS 7.20_EXT | SP017 | 000017
  • SAP IGS 7.45 | SP006 | 000006
  • SAP IGS 7.49 | SP004 | 000004
  • SAP IGS 7.53 | SP004 | 000004

Affected component

    BC-FES-IGS
    Internet Graphics Server

CVSS

Score: 0

PoC

Detailed vulnerability information added to RedRays Security Platform. Contact [email protected] for details.

URL

https://launchpad.support.sap.com/#/notes/2620744

TAGS

#&65279-DoS
#DDoS
#Distributed-Denial-of-Service
#Uncontrolled-Resource-consumption
#Resource-Exhaustion
#&160-CVE-2018-2423

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