Improper input validation in Call-Cc Chicken

CVE-2017-9334

An incorrect "pair?" check in the Scheme "length" procedure results in an unsafe pointer dereference in all CHICKEN Scheme versions prior to 4.13, which allows an attacker to cause a denial of service by passing an improper list to an application that calls "length" on it.

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

EPSS: 0.015 (72.3th percentile) — read the EPSS interpretation.

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:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-9334?
CVE-2017-9334 is a high-severity vulnerability in Call-Cc Chicken, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2017-06-01.
How severe is CVE-2017-9334?
High severity. CVSS v3 base score is 7.5 out of 10.