log4j

build_lists/sensitive_files.yaml

@@ -796,6 +796,21 @@ search:
                 search_in: 
                   - common
   
+  - name: Log4Shell
+    value:
+        config:
+          auto_check: False
+    
+        files:
+          - name: "log4j-core*.jar"
+            value: 
+                type: f
+                search_in: 
+                  - common
+                  - /lib
+                  - /lib32
+                  - /lib64
+
   - name: OpenVPN
     value:
         config:

linPEAS/builder/linpeas_parts/6_software_information.sh

@@ -181,7 +181,7 @@ peass{Ldap}
 if [ "$PSTORAGE_LOG4SHELL" ] || [ "$DEBUG" ]; then
   print_2title "Searching Log4Shell vulnerable libraries"
   printf "%s\n" "$PSTORAGE_LOG4SHELL" | while read f; do
-    echo "$f" | grep -E "log4j\-core\-(1\.|2\.[0-9][^0-9]|2\.1[0-6])" | sed -${E} "s,log4j\-core\-(1\.|2\.[0-9][^0-9]|2\.1[0-6]),${SED_RED},";
+    echo "$f" | grep -E "log4j\-core\-(1\.[^0]|2\.[0-9][^0-9]|2\.1[0-6])" | sed -${E} "s,log4j\-core\-(1\.[^0]|2\.[0-9][^0-9]|2\.1[0-6]),${SED_RED},";
   done
   echo ""
 fi