XXE in Bubblesoftapps Bubbleupnp
CVE-2018-15506
In BubbleUPnP 0.9 update 30, 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 BubbleUPnP, (2) Initiate SMB connections to capture a NetNTLM challenge/response and crack the 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: 0.047 (90.9th 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
- Bubblesoftapps Bubbleupnp — versions 0.9
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_CONFIRM, Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-15506?
- CVE-2018-15506 is a critical-severity vulnerability in Bubblesoftapps Bubbleupnp, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.8/10. Published 2019-06-19.
- How severe is CVE-2018-15506?
- Critical severity. CVSS v3 base score is 9.8 out of 10.