Path Traversal in Boa

CVE-2017-9833

/cgi-bin/wapopen in Boa 0.94.14rc21 allows the injection of "../.." using the FILECAMERA variable (sent by GET) to read files with root privileges. NOTE: multiple third parties report that this is a system-integrator issue (e.g., a vulnerability on one type of camera) because Boa does not include any wapopen program or any code to read a FILECAMERA variable.

Vulnerability class: Path Traversal (Directory Traversal)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.685 (99.3th percentile), scored .

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2017-9833: held from 0.685 to 0.685.

EPSS over last 30 days · oldest: 0.685 · newest: 0.685 · change: 0.000

Affected products

  • Boa — versions 0.94.14.21

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-9833?
CVE-2017-9833 is a high-severity vulnerability in Boa, classified under Path Traversal. CVSS score: 7.5/10. Published 2017-06-24.
How severe is CVE-2017-9833?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2017-9833 known to be exploited?
5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.