What is CVE-2018-13416?

CVE-2018-13416 is a critical-severity vulnerability in Spirton Universal Media Server, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.8/10. Published 2018-08-03.

How severe is CVE-2018-13416?

Critical severity. CVSS v3 base score is 9.8 out of 10.

XXE in Spirton Universal Media Server

CVE-2018-13416

In Universal Media Server (UMS) 7.1.0, 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 UMS, (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.

Vulnerability class: XXE (XML External Entity)

EPSS: 0.202 (97.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Spirton Universal_media_server — versions 7.1.0
N/a — versions n/a

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
cve@mitre.org (mailing-list, x_refsource_FULLDISC, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2018-13416?: CVE-2018-13416 is a critical-severity vulnerability in Spirton Universal Media Server, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.8/10. Published 2018-08-03.
How severe is CVE-2018-13416?: Critical severity. CVSS v3 base score is 9.8 out of 10.