Seagate GoFlex Satellite Remote Telnet Default Password Vulnerability

Title: Seagate GoFlex Satellite Remote Telnet Default Password
Publication URL: https://www.korelogic.com/Resources/Advisories/KL-001-2015-007.txt


1. Vulnerability Details

     Affected Vendor: Seagate
     Affected Product: GoFlex Satellite
     Affected Version: 1.3.7
     Platform: Embedded Linux
     CWE Classification: CWE-288: Authentication Bypass Using an
     Alternate Path or Channel; CWE-798: Use of Hard-coded Credentials
     Impact: Remote Administration
     Attack vector: Telnet
     CVE-ID: CVE-2015-2874

2. Vulnerability Description

     Seagate GoFlex Satellite Mobile Wireless Storage devices
     contain a hardcoded backdoor account. An attacker could use
     this account to remotely tamper with the underlying operating
     system when Telnet is enabled.

3. Technical Description

     [email protected]:/tmp/jfroot# ls
     bin  boot  dev  etc  home  include  lib  linuxrc  media  mnt  proc
     satellite_app  sbin  share  srv  static  sys  tmp  usr  var
     [email protected]:/tmp/jfroot# cd etc
     [email protected]:/tmp/jfroot/etc# ls
     angstrom-version  default              fstab                init.d
     iproute2          motd                 org_passwd           protocols
     rc4.d             rS.d                 terminfo             udhcpc.d
     autoUpdURL        device_table         group                inittab
     issue             mtab                 passwd               rc0.d
     rc5.d             scsi_id.config       timestamp            udhcpd.conf
     avahi             device_table-opkg    host.conf            inputrc
     issue.net         network              passwd-              rc1.d
     rc6.d             services             tinylogin.links      udhcpd_factory.conf
     busybox.links     fb.modes             hostname             internal_if.conf
     localtime         nsswitch.conf        profile              rc2.d
     rcS.d             skel                 ts.conf              version
     dbus-1            filesystems          hosts                ipkg
     mke2fs.conf       opkg                 profile.d            rc3.d
     rpc               syslog.conf          udev
     [email protected]:/tmp/jfroot/etc# cat passwd
     root:VruSTav0/g/yg:0:0:root:/home/root:/bin/sh
     daemon:*:1:1:daemon:/usr/sbin:/bin/sh
     bin:*:2:2:bin:/bin:/bin/sh
     sys:*:3:3:sys:/dev:/bin/sh
     sync:*:4:65534:sync:/bin:/bin/sync
     games:*:5:60:games:/usr/games:/bin/sh
     man:*:6:12:man:/var/cache/man:/bin/sh
     lp:*:7:7:lp:/var/spool/lpd:/bin/sh
     mail:*:8:8:mail:/var/mail:/bin/sh
     news:*:9:9:news:/var/spool/news:/bin/sh
     uucp:*:10:10:uucp:/var/spool/uucp:/bin/sh
     proxy:*:13:13:proxy:/bin:/bin/sh
     www-data:*:33:33:www-data:/var/www:/bin/sh
     backup:*:34:34:backup:/var/backups:/bin/sh
     list:*:38:38:Mailing List Manager:/var/list:/bin/sh
     irc:*:39:39:ircd:/var/run/ircd:/bin/sh
     gnats:*:41:41:Gnats Bug-Reporting System (admin):/var/lib/gnats:/bin/sh
     nobody:*:65534:65534:nobody:/nonexistent:/bin/sh
     xoFaeS:QGd9zEjQYxxf2:500:500:Linux User,,,:/home/xoFaeS:/bin/sh

     The xoFaeS user cracked to etagknil.

4. Mitigation and Remediation Recommendation

     The vendor has released a patch that can be
     obtained using the Download Finder located at
     https://apps1.seagate.com/downloads/request.html

5. Credit

     This vulnerability was discovered by Matt Bergin (@thatguylevel)
     of KoreLogic, Inc.

6. Disclosure Timeline

     2015.09.11 - Vulnerability details and PoC sent to Seagate.
     2015.09.15 - Seagate confirms receipt.
     2015.09.28 - Seagate indicates a patch is ready but not yet available to
                  the public.
     2015.09.28 - KoreLogic asks Seagate if they have obtained a CVE-ID for
                  the vulnerability.
     2015.10.27 - Seagate notifies KoreLogic that the patch is publicly
                  available. Seagate indicates they are waiting for a CVE
                  before releasing a security advisory.
     2015.12.08 - KoreLogic requests an update on the CVE-ID and associated
                  Seagate advisory.
     2015.12.08 - Seagate responds with a link to
                  http://www.kb.cert.org/vuls/id/903500
     2015.12.18 - Public disclosure.

7. Proof of Concept

     N/A

The contents of this advisory are copyright(c) 2015
KoreLogic, Inc. and are licensed under a Creative Commons
Attribution Share-Alike 4.0 (United States) License:
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#  0day.today [2018-04-09]  #