Vulnerability in Shellinabox Project
CVE-2018-16789
libhttp/url.c in shellinabox through 2.20 has an implementation flaw in the HTTP request parsing logic. By sending a crafted multipart/form-data HTTP request, an attacker could exploit this to force shellinaboxd into an infinite loop, exhausting available CPU resources and taking the service down.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.060 (93.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.060 · newest: 0.060 · change: 0.000
Affected products
Weakness classification (CWE)
References
- packetstormsecurity.com/files/149978/Shell-In-A-Box-2.2.0-Denial-Of-Service.html (Exploit, Patch, VDB Entry, Third Party Advisory)
- seclists.org/fulldisclosure/2018/Oct/50 (Exploit, Patch, Mailing List, Third Party Advisory)
- github.com/shellinabox/shellinabox/commit/4f0ecc31ac6f985e0dd3f5a52cbfc0e9251f6… (Patch, Third Party Advisory)
- code.google.com/archive/p/shellinabox/issues (Third Party Advisory)
Frequently asked questions
- What is CVE-2018-16789?
- CVE-2018-16789 is a high-severity vulnerability in Shellinabox Project, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2019-03-21.
- How severe is CVE-2018-16789?
- High severity. CVSS v3 base score is 7.5 out of 10.