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Vahagn Vardanian

Vahagn Vardanian

Co-founder and CTO of RedRays

CVE-2018-2420 Unrestricted File Upload in SAP Internet Graphics Server (IGS), SAP security note 2615635

Description

SAP Internet Graphics Server (IGS) allows an attacker to upload any file (including script files) without proper file format validation.

Some well-known impacts of unrestricted file upload vulnerability are –

  • malicious file insertion or modification
  • make the Web site vulnerable to some other attacks such as XSS

CVSS Information

CVSS v3 Base Score: 6.5 / 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

Low (L)

A : Impact to Availability

High (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

  • 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/2615635

TAGS

#Upload-of-untrusted-files
#file-upload-vulnerability
#CVE-2018-2420

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