What is CVE-2023-1732?

CVE-2023-1732 is a medium-severity vulnerability in Cloudflare Circl, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2023-05-10.

How severe is CVE-2023-1732?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Improper input validation in Cloudflare Circl

CVE-2023-1732

When sampling randomness for a shared secret, the implementation of Kyber and FrodoKEM, did not check whether crypto/rand.Read() returns an error. In rare deployment cases (error thrown by the Read() function), this could lead to a predict…

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

EPSS: 0.004 (30.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:N.

Affected products

Cloudflare Circl — versions 0

Weakness classification (CWE)

CWE-20 — Improper Input Validation
CWE-755 — Improper Handling of Exceptional Conditions

References

cna@cloudflare.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-1732?: CVE-2023-1732 is a medium-severity vulnerability in Cloudflare Circl, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2023-05-10.
How severe is CVE-2023-1732?: Medium severity. CVSS v3 base score is 5.3 out of 10.