Integer overflow in FreeBSD - CVE-2023-3107
Published: August 2, 2023
Vulnerability identifier: #VU78873
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: CVE-2023-3107
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to integer overflow in the calculation of a fragment reassembled packet's payload length field when processing IPv6 traffic. A remote attacker can send specially crafted IPv6 packets to the affected system, trigger an integer overflow and perform a denial of service (DoS) attack.
Affected software
FreeBSD
How to mitigate CVE-2023-3107
Install updates from vendor's website.