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The system must use available memory address randomization techniques.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22576 | GEN008420 | SV-37979r1_rule | ECSC-1 | Low |
| Description |
|---|
| Successful exploitation of buffer overflow vulnerabilities relies in some measure to having a predictable address structure of the executing program. Address randomization techniques reduce the probability of a successful exploit. |
| STIG | Date |
|---|---|
| Red Hat Enterprise Linux 5 Security Technical Implementation Guide | 2016-06-01 |
Details
| Check Text ( C-37277r1_chk ) |
|---|
| Verify exec-shield is enabled if present. # cat /proc/sys/kernel/exec-shield If the file is present and contains a value of "0", this is a finding. |
| Fix Text (F-32513r1_fix) |
|---|
| Edit the kernel boot parameters, or "/etc/sysctl.conf", and set exec-shield to "1". Reboot the system. |