XXE in Vuze Bittorrent Client
CVE-2018-13417
In Vuze Bittorrent Client 5.7.6.0, 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 Vuze, (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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.207 (97.5th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.207 · newest: 0.207 · change: 0.000
Affected products
- Vuze Bittorrent Client — versions 5.7.6.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- seclists.org/fulldisclosure/2018/Aug/2 (mailing-list, Technical Description, Exploit, Mailing List, Third Party Advisory)
- www.exploit-db.com/exploits/45145/ (Technical Description, Exploit, VDB Entry, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2018-13417?
- CVE-2018-13417 is a critical-severity vulnerability in Vuze Bittorrent Client, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.8/10. Published 2018-08-13.
- How severe is CVE-2018-13417?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2018-13417 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.