The Photon operating system must implement address space layout randomization (ASLR) to protect its memory from unauthorized code execution.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
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medium | V-256535 | SRG-OS-000433-GPOS-00193 | PHTN-30-000065 | SV-256535r958928_rule | 2024-12-16 | 1 |
Description |
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ASLR makes it more difficult for an attacker to predict the location of attack code they have introduced into a process's address space during an attempt at exploitation. ASLR also makes it more difficult for an attacker to know the location of existing code to repurpose it using return-oriented programming (ROP) techniques. |
ℹ️ Check |
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At the command line, run the following command: # cat /proc/sys/kernel/randomize_va_space If the value of "randomize_va_space" is not "2", this is a finding. |
✔️ Fix |
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Navigate to and open: /etc/sysctl.d/50-security-hardening.conf Ensure the "randomize_va_space" is uncommented and set to the following: kernel.randomize_va_space=2 At the command line, run the following command: # sysctl --system |