Re: [VulnWatch] pgp4pine stack overflow vulnerability

[Jacek Lipkowski]

On Wed, 12 Mar 2003, Eric AUGE wrote:

> IV Workaround/Solutions
>
>   Deactivate pgp4pine and use another pgp wrapper for pine :
>   http://pgpenvelope.sourceforge.net/
>   http://www.megaloman.com/~hany/software/pinepgp/stable.html
>   or any other...

or use the following trivial patch:

--- menus.c.orig        2003-03-13 11:16:43.000000000 +0100
+++ menus.c     2003-03-13 12:44:45.000000000 +0100
@@ -34,11 +34,13 @@
                          executed, EOF breaks directly */
        return;
      }
-     else if ((readline[i++]=c) == '\n')
+     else if ((readline[i]=c) == '\n')
      {
+if (i<(CONSOLE_IO_LINE_LENGTH-2)) i++;
        readline[i]='\0';
        fertig=1;
      }
+else if (i<(CONSOLE_IO_LINE_LENGTH-2)) i++;
    }
    fertig=0;