Integer overflow in FreeBSD
CVE-2023-3107
A set of carefully crafted ipv6 packets can trigger an integer overflow in the calculation of a fragment reassembled packet's payload length field. This allows an attacker to trigger a kernel panic, resulting in a denial of service.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.006 (48.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- FreeBSD — versions 13.1, 13.2, 13.1-RELEASE
- NetApp Clustered Data Ontap — versions 9.0
Weakness classification (CWE)
References
- security.FreeBSD.org/advisories/FreeBSD-SA-23:06.ipv6.asc (vendor-advisory, Mitigation, Vendor Advisory)
- security.netapp.com/advisory/ntap-20230804-0001/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-3107?
- CVE-2023-3107 is a high-severity vulnerability in FreeBSD, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2023-08-01.
- How severe is CVE-2023-3107?
- High severity. CVSS v3 base score is 7.5 out of 10.