Randomize buffer sizes

aa9863 · Jan 24, 2023 · 621aad95f2f6189269f8aa3fc852b696e1ab7cd2 · 621aad9
1 parent 46cd1c4
commit 621aad95f2f6189269f8aa3fc852b696e1ab7cd2
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Showing 3 changed files with 8 additions and 6 deletions.
diff --git a/BaseImages/Server/server.c b/BaseImages/Server/server.c
@@ -23,10 +23,10 @@ int processConnection(int fd, int argc, char* argv[]) {
 
     if(getenv("RUN_ALSR")) {
       printf("Running with ALSR turned off\n");
+      int out = personality(ADDR_NO_RANDOMIZE);
       fflush(stdout);
-      personality(ADDR_NO_RANDOMIZE);
     }
-
+    
     execvp(argv[1], &argv[1]);
 }
 

diff --git a/Week2_Lab2/32Bit_NoALSR/docker-compose.yaml b/Week2_Lab2/32Bit_NoALSR/docker-compose.yaml
@@ -7,8 +7,10 @@ services:
     ports:
       - "1337:1337"
       - "22:22"
-    #cap_add:
-    #  - CAP_SYS_ADMIN
+    cap_add:
+      - CAP_SYS_ADMIN
     privileged: true
     environment:
-      - RUN_ALSR
+      - RUN_ALSR=1
+
+
diff --git a/Week2_Lab2/32Bit_NoALSR/ret2winOne.c b/Week2_Lab2/32Bit_NoALSR/ret2winOne.c
@@ -4,7 +4,7 @@
 #include <unistd.h>
 
 int INPUT=300; //Give enough to overflow
-int BUFFER=150;
+int BUFFER=175;
 
 void win(void){
     /*Win Condition