Vulnerability CVE-2019-0340

Vulnerability Name:

CVE-2019-0340 (CCN-166228)

Assigned:

2018-11-26

Published:

2019-08-13

Updated:

2020-08-24

Summary:

The XML parser, which is being used by SAP Enable Now, before version 1902, has not been hardened correctly, leading to Missing XML Validation vulnerability. This issue affects the file upload at multiple locations. An attacker can read local XXE files.

CVSS v3 Severity:

5.4 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N)
4.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): Low Integrity (I): Low Availibility (A): None

4.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)
3.8 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): Low Integrity (I): None Availibility (A): None

CVSS v2 Severity:

5.5 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): None

4.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:N/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Partial Integrity (I): None Availibility (A): None

Vulnerability Type:

CWE-611

Vulnerability Consequences:

Obtain Information

References:

Source: MITRE
Type: CNA
CVE-2019-0340

Source: XF
Type: UNKNOWN
sap-cve20190340-info-disc(166228)

Source: CCN
Type: SAP Web site
SAP Support Note 2794742

Source: MISC
Type: Permissions Required, Vendor Advisory
https://launchpad.support.sap.com/#/notes/2794742

Source: CCN
Type: SAP Security Patch Day - August 2019
SAP Security Patch Day - August 2019

Source: MISC
Type: Vendor Advisory
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=523998017

Vulnerable Configuration:

Configuration 1:

cpe:/a:sap:enable_now:*:*:*:*:*:*:*:* (Version < 1902)

Configuration CCN 1:

cpe:/a:sap:enable_now:1902:*:*:*:*:*:*:*

Denotes that component is vulnerable

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