From 3e2af030d47920f4c7d4f8794a77a6633e560d21 Mon Sep 17 00:00:00 2001
From: Carlos Polop <carlospolop@gmail.com>
Date: Thu, 12 Feb 2026 20:02:37 +0100
Subject: [PATCH] f

---
 .../2_container/3_Container_details.sh        |  8 +++
 .../2_container/5_Container_breakout.sh       | 37 ++++++++--
 .../functions/enumerateDockerSockets.sh       | 67 ++++++++++++-------
 3 files changed, 84 insertions(+), 28 deletions(-)

diff --git a/linPEAS/builder/linpeas_parts/2_container/3_Container_details.sh b/linPEAS/builder/linpeas_parts/2_container/3_Container_details.sh
index 56537d9..d6bad98 100644
--- a/linPEAS/builder/linpeas_parts/2_container/3_Container_details.sh
+++ b/linPEAS/builder/linpeas_parts/2_container/3_Container_details.sh
@@ -36,6 +36,14 @@ print_2title "Container details"
 
 print_list "Is this a container? ...........$NC $containerType"
 
+if [ -e "/proc/vz" ] && ! [ -e "/proc/bc" ]; then
+    print_list "Container Runtime ..............$NC OpenVZ"
+fi
+
+if [ -f "/run/systemd/container" ]; then
+     print_list "Systemd Container ..............$NC $(cat /run/systemd/container)"
+fi
+
 # Get container runtime info
 if [ "$(command -v docker || echo -n '')" ]; then
     print_list "Docker version ...............$NC "
diff --git a/linPEAS/builder/linpeas_parts/2_container/5_Container_breakout.sh b/linPEAS/builder/linpeas_parts/2_container/5_Container_breakout.sh
index f0d13cb..e46f70e 100644
--- a/linPEAS/builder/linpeas_parts/2_container/5_Container_breakout.sh
+++ b/linPEAS/builder/linpeas_parts/2_container/5_Container_breakout.sh
@@ -37,10 +37,10 @@
 #       - Container escape tool execution
 # License: GNU GPL
 # Version: 1.0
-# Functions Used: checkContainerExploits, checkProcSysBreakouts, containerCheck, print_2title, print_3title, print_info, print_list, warn_exec
+# Functions Used: checkContainerExploits, checkProcSysBreakouts, containerCheck, enumerateDockerSockets, print_2title, print_3title, print_info, print_list, warn_exec
 # Global Variables: $binfmt_misc_breakout, $containercapsB, $containerType, $core_pattern_breakout, $dev_mounted, $efi_efivars_writable, $efi_vars_writable, $GREP_IGNORE_MOUNTS, $inContainer, $kallsyms_readable, $kcore_readable, $kmem_readable, $kmem_writable, $kmsg_readable, $mem_readable, $mem_writable, $modprobe_present, $mountinfo_readable, $panic_on_oom_dos, $panic_sys_fs_dos, $proc_configgz_readable, $proc_mounted, $run_unshare, $release_agent_breakout1, $release_agent_breakout2, $release_agent_breakout3, $sched_debug_readable, $security_present, $security_writable, $sysreq_trigger_dos, $uevent_helper_breakout, $vmcoreinfo_readable, $VULN_CVE_2019_5021, $self_mem_readable
 # Initial Functions: containerCheck
-# Generated Global Variables: $defautl_docker_caps, $containerd_version, $runc_version, $containerd_version
+# Generated Global Variables: $defautl_docker_caps, $containerd_version, $runc_version, $seccomp_mode_num, $seccomp_mode_desc
 # Fat linpeas: 0
 # Small linpeas: 0
 
@@ -57,14 +57,34 @@ if [ "$inContainer" ]; then
     
     # Security mechanisms
     print_3title "Security Mechanisms"
-    print_list "Seccomp enabled? ............... "$NC
-    ([ "$(grep Seccomp /proc/self/status | grep -v 0)" ] && echo "enabled" || echo "disabled") | sed "s,disabled,${SED_RED}," | sed "s,enabled,${SED_GREEN},"
+    seccomp_mode_num="$(awk '/^Seccomp:/{print $2}' /proc/self/status 2>/dev/null)"
+    seccomp_mode_desc="unknown"
+    case "$seccomp_mode_num" in
+      0) seccomp_mode_desc="disabled" ;;
+      1) seccomp_mode_desc="strict" ;;
+      2) seccomp_mode_desc="filtering" ;;
+    esac
+
+    print_list "Seccomp mode ................... "$NC
+    (printf "%s (%s)\n" "$seccomp_mode_desc" "${seccomp_mode_num:-?}") | sed "s,disabled,${SED_RED}," | sed "s,strict,${SED_RED_YELLOW}," | sed "s,filtering,${SED_GREEN},"
+
+    if grep -q "^Seccomp_filters:" /proc/self/status 2>/dev/null; then
+      print_list "Seccomp filters ............... "$NC
+      awk '/^Seccomp_filters:/{print $2}' /proc/self/status 2>/dev/null | sed -${E} "s,^[0-9]+$,${SED_GREEN}&,"
+    fi
 
     print_list "AppArmor profile? .............. "$NC
     (cat /proc/self/attr/current 2>/dev/null || echo "disabled") | sed "s,disabled,${SED_RED}," | sed "s,kernel,${SED_GREEN},"
 
     print_list "User proc namespace? ........... "$NC
-    if [ "$(cat /proc/self/uid_map 2>/dev/null)" ]; then (printf "enabled"; cat /proc/self/uid_map) | sed "s,enabled,${SED_GREEN},"; else echo "disabled" | sed "s,disabled,${SED_RED},"; fi
+    if [ "$(cat /proc/self/uid_map 2>/dev/null)" ]; then 
+        (printf "enabled"; cat /proc/self/uid_map) | sed "s,enabled,${SED_GREEN},"; 
+        echo ""
+        echo "  Mappings (Container -> Host -> Range):"
+        cat /proc/self/uid_map | awk '{print "  " $1 " -> " $2 " -> " $3}'
+    else 
+        echo "disabled" | sed "s,disabled,${SED_RED},"; 
+    fi
 
     # Known vulnerabilities
     print_3title "Known Vulnerabilities"
@@ -155,6 +175,9 @@ if [ "$inContainer" ]; then
         cat /proc/self/status | tr '\t' ' ' | grep Cap | sed -${E} "s, .*,${SED_RED},g" | sed -${E} "s/00000000a80425fb/$defautl_docker_caps/g" | sed -${E} "s,0000000000000000|00000000a80425fb,${SED_GREEN},g"
         echo $ITALIC"Run capsh --decode=<hex> to decode the capabilities"$NC
     fi
+
+    print_list "Ambient capabilities ........... "$NC
+    (grep "CapAmb:" /proc/self/status 2>/dev/null | grep -v "0000000000000000" | sed "s,CapAmb:.,," || echo "No") | sed -${E} "s,No,${SED_GREEN}," | sed -${E} "s,[0-9a-fA-F]\+,${SED_RED}&,"
     
     # Additional capability checks
     print_list "Dangerous syscalls allowed ... "$NC
@@ -200,6 +223,10 @@ if [ "$inContainer" ]; then
         echo "No"
     fi
     
+    
+    print_list "Looking and enumerating Docker Sockets (if any):\n"$NC
+    enumerateDockerSockets
+    
     # Additional breakout vectors
     print_3title "Additional Breakout Vectors"
     
diff --git a/linPEAS/builder/linpeas_parts/functions/enumerateDockerSockets.sh b/linPEAS/builder/linpeas_parts/functions/enumerateDockerSockets.sh
index 74091e8..8b41440 100644
--- a/linPEAS/builder/linpeas_parts/functions/enumerateDockerSockets.sh
+++ b/linPEAS/builder/linpeas_parts/functions/enumerateDockerSockets.sh
@@ -6,9 +6,9 @@
 # License: GNU GPL
 # Version: 1.0
 # Functions Used: echo_not_found
-# Global Variables: $GREP_DOCKER_SOCK_INFOS, $GREP_DOCKER_SOCK_INFOS_IGNORE, $IAMROOT
+# Global Variables: $GREP_DOCKER_SOCK_INFOS, $GREP_DOCKER_SOCK_INFOS_IGNORE
 # Initial Functions:
-# Generated Global Variables: $SEARCHED_DOCKER_SOCKETS, $dock_sock, $docker_enumerated, $dockerVersion, $int_sock, $sockInfoResponse
+# Generated Global Variables: $SEARCHED_DOCKER_SOCKETS, $docker_enumerated, $dockerVersion, $int_sock, $sockInfoResponse
 # Fat linpeas: 0
 # Small linpeas: 1
 
@@ -17,34 +17,55 @@ enumerateDockerSockets() {
   dockerVersion="$(echo_not_found)"
   if ! [ "$SEARCHED_DOCKER_SOCKETS" ]; then
     SEARCHED_DOCKER_SOCKETS="1"
-    for int_sock in $(find / ! -path "/sys/*" -type s -name "docker.sock" -o -name "docker.socket" -o -name "dockershim.sock" -o -name "containerd.sock" -o -name "crio.sock" -o -name "frakti.sock" -o -name "rktlet.sock" 2>/dev/null); do
-      if ! [ "$IAMROOT" ] && [ -w "$int_sock" ]; then
+    # NOTE: This is intentionally "lightweight" (checks common runtime socket names) and avoids
+    # pseudo filesystems (/sys, /proc) to reduce noise and latency.
+    for int_sock in $(find / \
+      -path "/sys" -prune -o \
+      -path "/proc" -prune -o \
+      -type s \( \
+        -name "docker.sock" -o \
+        -name "docker.socket" -o \
+        -name "dockershim.sock" -o \
+        -name "containerd.sock" -o \
+        -name "crio.sock" -o \
+        -name "frakti.sock" -o \
+        -name "rktlet.sock" \
+      \) -print 2>/dev/null); do
+
+      # Basic permissions hint (you generally need write perms to connect to a unix socket).
+      if [ -w "$int_sock" ]; then
         if echo "$int_sock" | grep -Eq "docker"; then
-          dock_sock="$int_sock"
-          echo "You have write permissions over Docker socket $dock_sock" | sed -${E} "s,$dock_sock,${SED_RED_YELLOW},g"
-          echo "Docker enummeration:"
-          docker_enumerated=""
-
-          if [ "$(command -v curl || echo -n '')" ]; then
-            sockInfoResponse="$(curl -s --unix-socket $dock_sock http://localhost/info)"
-            dockerVersion=$(echo "$sockInfoResponse" | tr ',' '\n' | grep 'ServerVersion' | cut -d'"' -f 4)
-            echo $sockInfoResponse | tr ',' '\n' | grep -E "$GREP_DOCKER_SOCK_INFOS" | grep -v "$GREP_DOCKER_SOCK_INFOS_IGNORE" | tr -d '"'
-            if [ "$sockInfoResponse" ]; then docker_enumerated="1"; fi
-          fi
-
-          if [ "$(command -v docker || echo -n '')" ] && ! [ "$docker_enumerated" ]; then
-            sockInfoResponse="$(docker info)"
-            dockerVersion=$(echo "$sockInfoResponse" | tr ',' '\n' | grep 'Server Version' | cut -d' ' -f 4)
-            printf "$sockInfoResponse" | tr ',' '\n' | grep -E "$GREP_DOCKER_SOCK_INFOS" | grep -v "$GREP_DOCKER_SOCK_INFOS_IGNORE" | tr -d '"'
-          fi
-        
+          echo "You have write permissions over Docker socket $int_sock" | sed -${E} "s,$int_sock,${SED_RED_YELLOW},g"
         else
           echo "You have write permissions over interesting socket $int_sock" | sed -${E} "s,$int_sock,${SED_RED},g"
         fi
-
       else
         echo "You don't have write permissions over interesting socket $int_sock" | sed -${E} "s,$int_sock,${SED_GREEN},g"
       fi
+
+      # Validate whether this looks like a Docker Engine API socket (amicontained-style) when curl exists.
+      docker_enumerated=""
+      if [ "$(command -v curl 2>/dev/null || echo -n '')" ]; then
+        sockInfoResponse="$(curl -s --max-time 2 --unix-socket "$int_sock" http://localhost/info 2>/dev/null)"
+        if echo "$sockInfoResponse" | grep -q "ServerVersion"; then
+          echo "Valid Docker API socket: $int_sock" | sed -${E} "s,$int_sock,${SED_RED_YELLOW},g"
+          dockerVersion=$(echo "$sockInfoResponse" | tr ',' '\n' | grep 'ServerVersion' | cut -d'"' -f 4)
+          echo "$sockInfoResponse" | tr ',' '\n' | grep -E "$GREP_DOCKER_SOCK_INFOS" | grep -v "$GREP_DOCKER_SOCK_INFOS_IGNORE" | tr -d '"'
+          docker_enumerated="1"
+        fi
+      fi
+
+      # Fallback to docker CLI if curl is missing or the /info request didn't work.
+      # Use DOCKER_HOST so we can target non-default socket paths when possible.
+      if [ "$(command -v docker 2>/dev/null || echo -n '')" ] && ! [ "$docker_enumerated" ]; then
+        if [ -w "$int_sock" ] && echo "$int_sock" | grep -Eq "docker"; then
+          sockInfoResponse="$(DOCKER_HOST="unix://$int_sock" docker info 2>/dev/null)"
+          if [ "$sockInfoResponse" ]; then
+            dockerVersion=$(echo "$sockInfoResponse" | grep -i "^ Server Version:" | awk '{print $4}' | head -n 1)
+            printf "%s\n" "$sockInfoResponse" | grep -E "$GREP_DOCKER_SOCK_INFOS" | grep -v "$GREP_DOCKER_SOCK_INFOS_IGNORE" | tr -d '"'
+          fi
+        fi
+      fi
     done
   fi
 }