CVE-2019-14678 - Improper Restriction of XML External Entity Reference

Severity

99%

Complexity

39%

Confidentiality

100%

SAS XML Mapper 9.45 has an XML External Entity (XXE) vulnerability that can be leveraged by malicious attackers in multiple ways. Examples are Local File Reading, Out Of Band File Exfiltration, Server Side Request Forgery, and/or Potential Denial of Service attacks. This vulnerability also affects the XMLV2 LIBNAME engine when the AUTOMAP option is used.

SAS XML Mapper 9.45 has an XML External Entity (XXE) vulnerability that can be leveraged by malicious attackers in multiple ways. Examples are Local File Reading, Out Of Band File Exfiltration, Server Side Request Forgery, and/or Potential Denial of Service attacks. This vulnerability also affects the XMLV2 LIBNAME engine when the AUTOMAP option is used.

CVSS 3.1 Base Score 9.9. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H).

CVSS 2.0 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P).

Overview

First reported 5 years ago

2019-11-14 21:15:00

Last updated 5 years ago

2019-11-22 19:34:00

Affected Software

SAS XML Mapper 9.45

9.45

References

http://support.sas.com/kb/64/719.html

Vendor Advisory

https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2019-14678-Unsafe%20XML%20Parsing-SAS%20XML%20Mapper

Exploit, Third Party Advisory

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