#VU17659 XXE attack in ABAP Platform - CVE-2019-0265

Vulnerability identifier: #VU17659

Vulnerability risk: Medium

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:H/SC:L/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-0265

CWE-ID: CWE-611

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ABAP Platform
Server applications / Application servers

Vendor: SAP

Description
The vulnerability allows a remote high-privileged attacker to conduct XXE-attack.

The vulnerability exists due to improper handling of XML External Entities (XXEs) when parsing an XML file. A remote attacker can submit a specially crafted input and obtain potentially sensitive information or cause the service to crash.

Mitigation
Install update from vendor's website.

Vulnerable software versions

ABAP Platform: KRNL32NUC 7.21EXT - 7.21EXT

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External links
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=510922950

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.