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)
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:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.015 (73.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
Weakness classification (CWE)
References
- lists.nongnu.org/archive/html/chicken-hackers/2017-05/msg00099.html (Patch, Third Party Advisory)
- lists.nongnu.org/archive/html/chicken-announce/2017-05/msg00000.html (Patch, Third Party Advisory)
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.