TMA-TDSQL-3.11
Ensure Correct Permissions on MySQL Error Log Files
MediumLevel 1Automatedtdsql
Description
The MySQL error log contains diagnostic information including startup/shutdown, errors, warnings, and notes, which may expose sensitive configuration and operational details. Searches /data/tdsql (the benchmark path). Counts *error*.log files readable by other users; expected 0640.
How it is checked
Audit method: Shell command
shell
n=0; for p in "/data/tdsql"; do [ -e "$p" ] && n=$((n+1)); done; [ $n -gt 0 ] || exit 1; c=0; for p in "/data/tdsql"; do [ -e "$p" ] || continue; c=$((c + $(find "$p" -type f -name '*error*' -name '*.log' -perm /o+r -print 2>/dev/null | wc -l))); done; echo $c- Expected output
0
How it is fixed
Fix method: Guidance or infrastructure patch
find /data/tdsql -name '*error*' -name '*.log' -exec chmod 640 {} +; chown mysql:mysql those files.
Properties
- Operating systems
- Any
- Tags
- tdsqlpermissionslogging
- Reference
- CIS Tencent TDSQL 10.3.22 Benchmark v1.0.0 - 3.11 Ensure Correct Permissions on MySQL Error Log Files
Check this host
Run this on a machine you are allowed to audit. The scan is read-only.
shell
tmaegis scan --target tdsql