Exploit the possiblities

Jolla Phone URI Spoofing

Jolla Phone URI Spoofing
Posted Mar 13, 2015
Authored by Nikolas Sotiriu

Jolla Phone with Sailfish OS versions 1.1.1.27 and below suffer from a telephone URI spoofing vulnerability.

tags | exploit, telephony, spoof
MD5 | 57ef9596cf11861bdc97dd540ee415f4

Jolla Phone URI Spoofing

Change Mirror Download

______________________________________________________________________
-------------------------- NSOADV-2015-001 ---------------------------

Jolla Phone tel URI Spoofing
______________________________________________________________________
______________________________________________________________________

111101111
11111 00110 00110001111
111111 01 01 1 11111011111111
11111 0 11 01 0 11 1 1 111011001
11111111101 1 11 0110111 1 1111101111
1001 0 1 10 11 0 10 11 1111111 1 111 111001
111111111 0 10 1111 0 11 11 111111111 1 1101 10
00111 0 0 11 00 0 1110 1 1011111111111 1111111 11 100
10111111 0 01 0 1 1 111110 11 1111111111111 11110000011
0111111110 0110 1110 1 0 11101111111111111011 11100 00
01111 0 10 1110 1 011111 1 111111111111111111111101 01
01110 0 10 111110 110 0 11101111111111111111101111101
111111 11 0 1111 0 1 1 1 1 111111111111111111111101 111
111110110 10 0111110 1 0 0 1111111111111111111111111 110
111 11111 1 1 111 1 10011 101111111111011111111 0 1100
111 10 110 101011110010 11111111111111111111111 11 0011100
11 10 001100 0001 111111111111111111 10 11 11110
11110 00100 00001 10 1 1111 101010001 11111111
11101 0 1011 10000 00100 11100 00001101 0
0110 111011011 0110 10001 101 11110
1011 1 10 101 000001 01 00
1010 1 11001 1 1 101 10
110101011 0 101 11110
110000011
111
______________________________________________________________________
______________________________________________________________________

Title: Jolla Phone tel URI Spoofing
Severity: Low
Advisory ID: NSOADV-2015-001
Date Reported: 2015-01-29
Release Date: 2015-03-13
Author: Nikolas Sotiriu
Website: http://sotiriu.de
Twitter: http://twitter.com/nsoresearch
Mail: nso-research at sotiriu.de
URL: http://sotiriu.de/adv/NSOADV-2015-001.txt
Vendor: Jolla (https://www.jolla.com/)
Affected Products: Jolla Phone
Affected Versions: <= Sailfish OS 1.1.1.27 (Vaarainjärvi)
Remote Exploitable: Yes
Patch Status: Vendor released a patch (See Solution)
Discovered by: Nikolas Sotiriu



Description:
============

The Sailfish OS of the Jolla Phone contains a vulnerability that allows
to spoof the phone number, passed by a tel URI through an A HREF of a
website with some spaces (HTML ).

This could be used to trick a victim to dial a premium-rate telephone
number, for example.



Proof of Concept:
=================

<a href="tel:0000000000[25xSpaces]Spoofed Text[38Spaces]aaaaa">Call</a>

Test Site http://sotiriu.de/demos/callspoof.html



Solution:
=========

Install Version 1.1.2.16 (Yliaavanlampi)

https://together.jolla.com/question/82037/release-notes-upgrade-112-
yliaavanlampi-early-access/



Disclosure Timeline:
====================

2015-01-28: Asked for a PGP Key (security@jolla.com)
2015-01-29: Got the PGP Key
2015-01-29: Sent vulnerability information to vendor
2015-01-29: Feedback that the vendor is looking into the problem
2015-01-30: Got detailed information about the patch process and
timeline
2015-02-19: Got an E-Mail that the patched version is released
2015-03-13: Release of this advisory




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