Vulnerability Details : CVE-2016-4997

Public exploit exists!
The compat IPT_SO_SET_REPLACE and IP6T_SO_SET_REPLACE setsockopt implementations in the netfilter subsystem in the Linux kernel before 4.6.3 allow local users to gain privileges or cause a denial of service (memory corruption) by leveraging in-container root access to provide a crafted offset value that triggers an unintended decrement.
Published 2016-07-03 21:59:16
Updated 2023-09-12 14:55:32
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionDenial of service

Products affected by CVE-2016-4997

Exploit prediction scoring system (EPSS) score for CVE-2016-4997

EPSS FAQ
0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ %
Percentile, the proportion of vulnerabilities that are scored at or less

Metasploit modules for CVE-2016-4997

  • Linux Kernel 4.6.3 Netfilter Privilege Escalation
    Disclosure Date: 2016-06-03
    First seen: 2020-04-26
    exploit/linux/local/netfilter_priv_esc_ipv4
    This module attempts to exploit a netfilter bug on Linux Kernels before 4.6.3, and currently only works against Ubuntu 16.04 (not 16.04.1) with kernel 4.4.0-21-generic. Several conditions have to be met for successful exploitation: Ubuntu: 1. ip_ta

CVSS scores for CVE-2016-4997

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.2
 HIGH AV:L/AC:L/Au:N/C:C/I:C/A:C
3.9
10.0
 NIST
7.8
 HIGH CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1.8
5.9
 NIST

CWE ids for CVE-2016-4997

  • Assigned by: nvd@nist.gov (Primary)

References for CVE-2016-4997

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