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CVE-2023-3107— Remote denial of service in IPv6 fragment reassembly

Quick assessment

Affected
FreeBSD FreeBSD
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

FreeBSD是FreeBSD基金会的一套类Unix操作系统。 FreeBSD存在安全漏洞，该漏洞源于IPv6数据包会在计算的有效负载长度字段时触发整数溢出，导致内核崩溃，进而导致拒绝服务。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.65% · P49

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2023-3107

Vulnerability Information
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Vulnerability Title
Remote denial of service in IPv6 fragment reassembly
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
Source: CVE Program / CVE List V5
Vulnerability Title
FreeBSD 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FreeBSD是FreeBSD基金会的一套类Unix操作系统。 FreeBSD存在安全漏洞，该漏洞源于IPv6数据包会在计算的有效负载长度字段时触发整数溢出，导致内核崩溃，进而导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
FreeBSD FreeBSD 13.2-RELEASE ~ 13.2-RELEASE-p2 -

II. Public POCs for CVE-2023-3107

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III. Intelligence Information for CVE-2023-3107

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Vendor Advisories for CVE-2023-3107 (1)

Other References for CVE-2023-3107 (1)

IV. Related Vulnerabilities

Same product: FreeBSD
Same vendor: FreeBSD
Same weakness: CWE-190

V. Comments for CVE-2023-3107

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