Arpine Maghakyan

Security Researcher of RedRays.

December 8, 2020
12:05 am

CVE-2020-26831 Missing XML Validation in SAP BusinessObjects Business Intelligence Platform (Crystal Report), SAP security note 2989075

Description

Crystal Report does not sufficiently validate uploaded XML entities. An attacker with basic privileges can inject some arbitrary XML entities leading to internal file disclosure, internal directories disclosure, Server Side Request Forgery (SSRF) and also denial-of-service (DoS)

Available fix and Supported packages

ENTERPRISE | 410 | 410
ENTERPRISE | 420 | 420
ENTERPRISE | 430 | 430
SBOP BI PLATFORM SERVERS 4.1 | SP012 | 000900
SBOP BI PLATFORM SERVERS 4.2 | SP008 | 000700
SBOP BI PLATFORM SERVERS 4.2 | SP009 | 000000
SBOP BI PLATFORM SERVERS 4.3 | SP000 | 000400
SBOP BI PLATFORM SERVERS 4.3 | SP001 | 000000
SBOP BI PLATFORM SERVERS 4.3 | SP002 | 000000

Affected component

CVSS

Score: 9.6
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H

Exploit

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

URL

https://launchpad.support.sap.com/#/notes/2989075

TAGS

#SAP-BusinessObjects-BI-Platform
#XXE
#XML-input-parsing
#XML-External-Entity
#CVE-2020-26831

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