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TMA-WEBSPHERE-4.2.2

Ensure 'sslProtocol' is set to the latest versions of TLS (Transport Layer Security)

CaoCấp 1Tự độngwebsphere

Mô tả

The latest versions of TLS provide drop support for less secure cryptographic features and add support for more advanced cryptographic algorithms. Audit: reads server.xml, configDropins/defaults/*.xml, configDropins/overrides/*.xml and files pulled in with <include> for every Liberty server found under WLP_USER_DIR, /opt/ibm/wlp/usr, /opt/IBM/WebSphere/Liberty/usr, /opt/ol/wlp/usr, /usr/local/wlp/usr or /config; it ignores XML comments and fails if no server.xml is readable. sslProtocol must be TLSv1.2 or TLSv1.3 on every <ssl> element. The attribute must be set explicitly because the Liberty default is not compliant.

Cách kiểm tra

Phương pháp kiểm tra: Lệnh shell

shell
bad=0; n=0; nl='
'
r=""
for b in "${WLP_USER_DIR:-}" /opt/ibm/wlp/usr /opt/IBM/WebSphere/Liberty/usr /opt/ol/wlp/usr /usr/local/wlp/usr; do
  [ -n "$b" ] && [ -d "$b/servers" ] || continue
  for s in "$b"/servers/*/; do [ -f "${s}server.xml" ] && r="$r$s$nl"; done
done
[ -f /config/server.xml ] && r="$r/config/$nl"
strip(){ awk 'BEGIN{RS="<!--"} NR==1{printf "%s",$0; next} {i=index($0,"-->"); if(i) printf "%s",substr($0,i+3)}'; }
gather(){ s=$1; { cat "${s}server.xml" "${s}"configDropins/defaults/*.xml "${s}"configDropins/overrides/*.xml; } 2>/dev/null | strip
  for loc in $(cat "${s}server.xml" "${s}"configDropins/defaults/*.xml "${s}"configDropins/overrides/*.xml 2>/dev/null | strip | tr '\r\n\t' '   ' | grep -oE '<include[[:space:]][^>]*>' | sed -n 's/.*location[[:space:]]*=[[:space:]]*"\([^"]*\)".*/\1/p'); do
    case $loc in http*) continue;; esac; loc=$(printf '%s' "$loc" | sed "s#\${server.config.dir}/*##"); case $loc in /*) f=$loc;; *) f=$s$loc;; esac
    [ -f "$f" ] && strip < "$f"; done; }
tag(){ printf '%s\n' "$X" | grep -oE "<$1([[:space:]][^>]*)?>"; }
chk(){ t=$(tag "$1"); if [ -z "$t" ]; then [ "$5" = na ] && return 0; [ "$4" = y ] && return 0; return 1; fi
  tot=$(printf '%s\n' "$t" | grep -c ''); v=$(printf '%s\n' "$t" | sed -n "s/.*[[:space:]]$2[[:space:]]*=[[:space:]]*[\"']\([^\"']*\)[\"'].*/\1/p"); st=0
  [ -n "$v" ] && st=$(printf '%s\n' "$v" | grep -c ''); case " config httpSession webAppSecurity jwtSso webContainer httpDispatcher applicationMonitor sslDefault httpOptions ltpa mpMetrics samesite transportLayer authenticationLayer attributeLayer " in *" $1 "*) [ "$st" -gt 0 ] && tot=$st;; esac; ok=$3; neg=n; case $ok in '!'*) neg=y; ok=${ok#!};; esac
  if [ "$st" -gt 0 ]; then m=$(printf '%s\n' "$v" | grep -ciE "^($ok)\$"); if [ "$neg" = n ]; then [ "$m" -eq "$st" ] || return 1; else [ "$m" -eq 0 ] || return 1; fi; fi
  [ "$st" -lt "$tot" ] && [ "$4" != y ] && return 1; return 0; }
IFS="$nl"; for s in $r; do n=$((n+1)); X=$(gather "$s" | tr '\r\n\t' '   ' | tr -s ' ')
chk ssl sslProtocol 'TLSv1\.[23]' n d || bad=1
done; unset IFS; [ "$n" -gt 0 ] || exit 1; [ "$bad" -eq 0 ] && echo compliant || echo noncompliant
Đầu ra mong đợi
compliant

Cách khắc phục

Phương pháp khắc phục: Hướng dẫn hoặc bản vá hạ tầng

Set the sslProtocol attribute version to the latest supported level in all ssl elements to ${server.config.dir}/configDropins/overrides/*.xml. <ssl ... sslProtocol="TLSv1.2" />

Thuộc tính

Hệ điều hành
Bất kỳ
Thẻ
webspheretls
Tham chiếu
CIS IBM WebSphere Liberty Benchmark v1.0.0 - 4.2.2 Ensure 'sslProtocol' is set to the latest versions of TLS (Transport Layer Security)

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shell
tmaegis scan --target websphere