What is CVE-2016-9564?

CVE-2016-9564 is a high-severity vulnerability in Boa, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2016-11-30.

How severe is CVE-2016-9564?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2016-9564 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in Boa

CVE-2016-9564

Buffer overflow in send_redirect() in Boa Webserver 0.92r allows remote attackers to DoS via an HTTP GET request requesting a long URI with only '/' and '.' characters.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.014 (70.4th percentile) — read the EPSS interpretation.

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.

Affected products

Boa — versions 0.92r
N/a — versions n/a

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

Knighthana/YABWF

References

cve@mitre.org (Technical Description, URL Repurposed, Exploit, x_refsource_MISC)
cve@mitre.org (vdb-entry, x_refsource_BID)

Frequently asked questions

What is CVE-2016-9564?: CVE-2016-9564 is a high-severity vulnerability in Boa, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2016-11-30.
How severe is CVE-2016-9564?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2016-9564 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.