Vulnerability CVE-2018-13415

Vulnerability CVE-2018-13415

Published: 2018-08-13

Description:

In Plex Media Server 1.13.2.5154, the XML parsing engine for SSDP/UPnP functionality is vulnerable to an XML External Entity Processing (XXE) attack. Remote, unauthenticated attackers can use this vulnerability to: (1) Access arbitrary files from the filesystem with the same permission as the user account running Plex, (2) Initiate SMB connections to capture a NetNTLM challenge/response and crack to cleartext password, or (3) Initiate SMB connections to relay a NetNTLM challenge/response and achieve Remote Command Execution in Windows domains.

See advisories in our WLB2 database:

	Topic	Author	Date
Med.	Plex Media Server 1.13.2.5154 SSDP Processing XML Injection	Chris Moberly	07.08.2018

Type:

CWE-611

(Information Exposure Through XML External Entity Reference)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score	Impact Subscore	Exploitability Subscore
7.5/10	6.4/10	10/10

Exploit range	Attack complexity	Authentication
Remote	Low	No required
Confidentiality impact	Integrity impact	Availability impact
Partial	Partial	Partial

Affected software
PLEX -> Media server

References:

http://seclists.org/fulldisclosure/2018/Aug/1

https://www.exploit-db.com/exploits/45146/

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