Re: PoPToP PPTP server remotely exploitable buffer overflow

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Timo Sirainen writes:
> Versions older than 1.1.4-b3 and 1.1.3-20030409 affected. This seems to be
> exploitable only with Linux.
 ...
> problem
> -------
 ...
> 
> 	if (length > PPTP_MAX_CTRL_PCKT_SIZE) {
> 	  // abort
> 	}

Version 1.1.3 does not have this vulnerability.  My copy of 1.1.3
ctrlpacket.c (dated Feb 11 2002) reads

    if (length <= 0 || length > PPTP_MAX_CTRL_PCKT_SIZE) {

My copies of versions 1.0.1 and 1.1.2 do have the vulerability.

--
Dick St.Peters, stpeters@NetHeaven.com 

[Index of Archives]     [Linux Security]     [Netfilter]     [PHP]     [Yosemite News]     [Linux Kernel]

  Powered by Linux