CVE-2019-13176 - Improper Restriction of XML External Entity Reference

Severity

50%

Complexity

99%

Confidentiality

48%

An issue was discovered in the 3CX Phone system (web) management console 12.5.44178.1002 through 12.5 SP2. The Content.MainForm.wgx component is affected by XXE via a crafted XML document in POST data. There is potential to use this for SSRF (reading local files, outbound HTTP, and outbound DNS).

An issue was discovered in the 3CX Phone system (web) management console 12.5.44178.1002 through 12.5 SP2. The Content.MainForm.wgx component is affected by XXE via a crafted XML document in POST data. There is potential to use this for SSRF (reading local files, outbound HTTP, and outbound DNS).

CVSS 3.0 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

CVSS 2.0 Base Score 5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N).

Overview

Type

3CX

First reported 5 years ago

2019-08-08 14:15:00

Last updated 5 years ago

2019-08-28 13:57:00

Affected Software

3CX 12.5 Service Pack 1

12.5

3CX 12.5 Service Pack 2

12.5

3CX 12.5.44178.1002

12.5.44178.1002

References

https://www.logicallysecure.com/blog/3cx-phone-system-web-console-affected-by-xxe/

Exploit, Third Party Advisory

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