Restrict access to Tomcat context.xml

MediaNivel 1Automatizadatomcat

Descripción

The context.xml file is loaded by all web applications and sets certain configuration options. It is recommended that access to this file properly protect from unauthorized changes. $CATALINA_BASE/conf/context.xml must not match -perm /o+rwx,g+rwx,u+x and must be owned by $TOMCAT_OWNER:$TOMCAT_GROUP; expects 0 findings. Reads $CATALINA_BASE (default /opt/tomcat) and $CATALINA_HOME (default: $CATALINA_BASE); set them for packaged installs (e.g. CATALINA_BASE=/var/lib/tomcat10, CATALINA_HOME=/usr/share/tomcat10). XML comments are ignored. The expected owner/group are tomcat_admin:tomcat as in the benchmark; override with TOMCAT_OWNER / TOMCAT_GROUP.

Cómo se verifica

Método de auditoría: Comando de shell

shell

B=${CATALINA_BASE:-/opt/tomcat}; H=${CATALINA_HOME:-$B}; O=${TOMCAT_OWNER:-tomcat_admin}; G=${TOMCAT_GROUP:-tomcat}; x(){ [ -r "$1" ] || return 1; awk 'BEGIN{RS="<!--"} NR==1{print;next} {i=index($0,"-->"); if(i) print substr($0,i+3)}' "$1" | tr '\n\t\r' '   ' | tr '<' '\n'; }; p="$B/conf/context.xml"; [ -e "$p" ] || exit 1; find -L "$p" -maxdepth 0 \( -perm /o+rwx,g+rwx,u+x -o ! -user "$O" -o ! -group "$G" \) -print 2>/dev/null | wc -l

Salida esperada: 0

Cómo se corrige

Método de corrección: Guía o parche de infraestructura

chown tomcat_admin:tomcat $CATALINA_BASE/conf/context.xml && chmod 600 $CATALINA_BASE/conf/context.xml. Restart Tomcat afterwards.

Propiedades

Sistemas operativos: Cualquiera
Etiquetas: tomcatpermissions
Referencia: CIS Apache Tomcat 10.1 Benchmark v1.0.0 - 4.10 Restrict access to Tomcat context.xml

Verificar este host

Ejecute esto en un equipo que tenga permiso para auditar. El escaneo es de solo lectura.

shell

tmaegis scan --target tomcat