#VU87129 NULL pointer dereference in python-cryptography - CVE-2024-26130
Published: March 5, 2024
Vulnerability identifier: #VU87129
Vulnerability risk: Medium
CVSSv4.0: 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-2024-26130
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
python-cryptography
python-cryptography
Software vendor:
Python Cryptographic Authority
Python Cryptographic Authority
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error within pkcs12.serialize_key_and_certificates when called with a non-matching certificate and private key and an hmac_hash override. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.