Changeset 0c6b92a for imaps-frontend/node_modules/cross-spawn/lib/util/escape.js

Timestamp:

12/12/24 17:06:06 (5 weeks ago)

Author:

stefan toskovski <stefantoska84@…>

Branches:

main

Parents:

d565449

Message:

Pred finalna verzija

File:

• imaps-frontend/node_modules/cross-spawn/lib/util/escape.js (modified) (1 diff)

imaps-frontend/node_modules/cross-spawn/lib/util/escape.js

@@ -16 +16 @@
 
     // Algorithm below is based on https://qntm.org/cmd
+    // It's slightly altered to disable JS backtracking to avoid hanging on specially crafted input
+    // Please see https://github.com/moxystudio/node-cross-spawn/pull/160 for more information
 
     // Sequence of backslashes followed by a double quote:
     // double up all the backslashes and escape the double quote
-    arg = arg.replace(/(\\*)"/g, '$1$1\\"');
+    arg = arg.replace(/(?=(\\+?)?)\1"/g, '$1$1\\"');
 
     // Sequence of backslashes followed by the end of the string
     // (which will become a double quote later):
     // double up all the backslashes
-    arg = arg.replace(/(\\*)$/, '$1$1');
+    arg = arg.replace(/(?=(\\+?)?)\1$/, '$1$1');
 
     // All other backslashes occur literally