CVE-2018-13415

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.

CVSS v3.0

9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

31.81% chance of exploitation in the next 30 days, 98th percentile

Published

2018-08-13

Updated

2024-08-05

Proof-of-concept exploits (1)

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

ExploitDB entries (1)

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

References

• CVE Record
• NVD entry

Related

• CVE-2018-13411
• CVE-2018-13416
• CVE-2018-13409
• CVE-2018-13417
• CVE-2018-13408
• CVE-2018-13418