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AlienVault OTX Vulnerabilities

AlienVault OTX Malware

A flaw was found in the Netfilter subsystem in the Linux kernel. The xt_u32 module did not validate the fields in the xt_u32 structure. This flaw allows a local privileged attacker to trigger an out-of-bounds read by setting the size fields with a value beyond the array boundaries, leading to a crash or information disclosure.

CVE-2023-39192 is a vulnerability identified in the Netfilter subsystem of the Linux kernel, specifically within the xt_u32 module used by Red Hat Enterprise Linux 8. The issue arises because the xt_u32 module fails to properly validate the size fields within the xt_u32 structure. This improper validation allows a local attacker with elevated privileges to set size fields beyond the boundaries of an array, triggering an out-of-bounds read. Such out-of-bounds reads can cause the kernel to crash (denial of service) or potentially disclose sensitive information from kernel memory. The vulnerability requires local privileged access (PR:H), meaning the attacker must already have elevated permissions on the system to exploit it. No user interaction is needed, and the scope is considered changed (S:C) because the flaw affects kernel memory, potentially impacting other processes or system components. The CVSS v3.1 base score is 6.7, reflecting medium severity due to the high confidentiality impact but limited by the requirement for local privileged access and the lack of integrity impact. There are no known public exploits or active exploitation reported at this time. The vulnerability affects Red Hat Enterprise Linux 8, a widely used enterprise Linux distribution, especially in server and critical infrastructure environments. The flaw resides in a core kernel module responsible for packet filtering and firewall rules, which is critical for network security and system stability.

Detailed information about CVE-2023-39192: Out-of-bounds Read in Red Hat Red Hat Enterprise Linux 8 affecting Red Hat Red Hat Enterprise Linux 8. Get real-time 

CVE-2023-39192: Out-of-bounds Read in Red Hat Red Hat Enterprise Linux 8 - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2023-39192: Out-of-bounds Read in Red Hat Red Hat Enterprise Linux 8

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