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Local initialization files lists of preloaded libraries must contain only absolute paths.


Overview

Finding ID Version Rule ID IA Controls Severity
V-22364 GEN001902 SV-63569r1_rule ECSC-1 Medium
Description
The library preload list environment variable contains a list of libraries for the dynamic linker to load before loading the libraries required by the binary. If this list contains paths to libraries relative to the current working directory, unintended libraries may be preloaded. This variable is formatted as a space-separated list of libraries. Paths starting with a slash (/) are absolute paths.
STIG Date
Oracle Linux 5 Security Technical Implementation Guide 2015-03-26

Details

Check Text ( C-52227r1_chk )
Verify local initialization files have library preload list containing only absolute paths.

NOTE: The following must be done in the BASH shell.

Procedure:
# cut -d: -f6 /etc/passwd |xargs -n1 -IDIR find DIR -name ".*" -type f -maxdepth 1 -exec grep -H LD_PRELOAD {} \;
This variable is formatted as a colon-separated list of paths. If there is an empty entry, such as a leading or trailing colon, or two consecutive colons, this is a finding. If an entry begins with a character other than a slash (/) this is a relative path, this is a finding.
Fix Text (F-54175r1_fix)
Edit the local initialization file and remove the relative path entry from the library preload variable.