Improper handling of exceptional conditions in circl - CVE-2023-1732
Published: September 19, 2023
Vulnerability identifier: #VU80884
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2023-1732
CWE-ID: CWE-755
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Cloudflare
Affected software:
circl
circl
Detailed vulnerability description
The vulnerability allows a remote attacker to modify data on the system.
The vulnerability exists due to when sampling randomness for a shared secret, the implementation of Kyber and FrodoKEM, did not check whether crypto/rand.Read() returns an error. A remote attacker can send specially crafted input and modify data on the system.
How to mitigate CVE-2023-1732
Install updates from vendor's website.