path: root/system/binutils/CVE-2019-14250.patch

Author: marxin
Date: Tue Jul 23 07:33:32 2019 UTC
https://gcc.gnu.org/viewcvs/gcc?view=revision&revision=273718

libiberty: Check zero value shstrndx in simple-object-elf.c

--- trunk/libiberty/simple-object-elf.c	2019/07/23 07:31:50	273717
+++ trunk/libiberty/simple-object-elf.c	2019/07/23 07:33:32	273718
@@ -548,7 +548,15 @@
       XDELETE (eor);
       return NULL;
     }
-
+  
+  if (eor->shstrndx == 0)
+    {
+      *errmsg = "invalid ELF shstrndx == 0";
+      *err = 0;
+      XDELETE (eor);
+      return NULL;
+    }
+  
   return (void *) eor;
 }