Vulnerability in Call-Cc Chicken

CVE-2017-11343

Due to an incomplete fix for CVE-2012-6125, all versions of CHICKEN Scheme up to and including 4.12.0 are vulnerable to an algorithmic complexity attack. An attacker can provide crafted input which, when inserted into the symbol table, will result in O(n) lookup time.

EPSS: 0.009 (57.1th 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:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-11343?
CVE-2017-11343 is a high-severity vulnerability in Call-Cc Chicken, classified under Inefficient Algorithmic Complexity. CVSS score: 7.5/10. Published 2017-07-17.
How severe is CVE-2017-11343?
High severity. CVSS v3 base score is 7.5 out of 10.