Resource exhaustion in idna - CVE-2024-3651
Published: April 19, 2024
Vulnerability identifier: #VU88828
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-3651
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: kjd (Kim Davies)
Affected software:
idna
idna
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources within the idna.encode() function. A remote attacker can pass an overly long domain name to the application and perform a denial of service (DoS) attack.
How to mitigate CVE-2024-3651
Install updates from vendor's website.