what you don't know can hurt you
Home Files News &[SERVICES_TAB]About Contact Add New

Secunia Security Advisory 32880

Secunia Security Advisory 32880
Posted Nov 28, 2008
Authored by Secunia | Site secunia.com

Secunia Security Advisory - NBBN has discovered some vulnerabilities in MyBB, which can be exploited can be exploited by malicious people to disclose sensitive information.

tags | advisory, vulnerability
SHA-256 | 91cf3e41fade82c828d5ef76174cd612df606b862ecdffa73bdf40afbe48c04e

Secunia Security Advisory 32880

Change Mirror Download
----------------------------------------------------------------------

Did you know that a change in our assessment rating, exploit code
availability, or if an updated patch is released by the vendor, is
not part of this mailing-list?

Click here to learn more:
http://secunia.com/advisories/business_solutions/

----------------------------------------------------------------------

TITLE:
MyBB "Referer" Header "my_post_key" Token Disclosure

SECUNIA ADVISORY ID:
SA32880

VERIFY ADVISORY:
http://secunia.com/advisories/32880/

CRITICAL:
Less critical

IMPACT:
Hijacking, Cross Site Scripting, Exposure of sensitive information

WHERE:
>From remote

SOFTWARE:
MyBB (formerly MyBulletinBoard) 1.x
http://secunia.com/advisories/product/4479/

DESCRIPTION:
NBBN has discovered some vulnerabilities in MyBB, which can be
exploited can be exploited by malicious people to disclose sensitive
information.

The problem is that the "my_post_key" token is included in the
"Referer" HTTP header when sending certain requests for e.g. images
referencing external web sites (e.g. when performing various
moderation actions, like splitting and merging a thread or deleting
posts). This can be exploited to disclose a user's secret token by
tricking the user into performing an affected operation.

Successful exploitation may open up for various cross-site request
forgery and cross-site scripting attacks.

The vulnerability is confirmed in version 1.4.3. Other versions may
also be affected.

SOLUTION:
Disable sending of the "Referer" HTTP header.

PROVIDED AND/OR DISCOVERED BY:
NBBN

ORIGINAL ADVISORY:
http://packetstorm.linuxsecurity.com/0811-exploits/mybb-disclose.txt

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------

Login or Register to add favorites

File Archive:

April 2024

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Apr 1st
    10 Files
  • 2
    Apr 2nd
    26 Files
  • 3
    Apr 3rd
    40 Files
  • 4
    Apr 4th
    6 Files
  • 5
    Apr 5th
    26 Files
  • 6
    Apr 6th
    0 Files
  • 7
    Apr 7th
    0 Files
  • 8
    Apr 8th
    22 Files
  • 9
    Apr 9th
    14 Files
  • 10
    Apr 10th
    10 Files
  • 11
    Apr 11th
    13 Files
  • 12
    Apr 12th
    14 Files
  • 13
    Apr 13th
    0 Files
  • 14
    Apr 14th
    0 Files
  • 15
    Apr 15th
    30 Files
  • 16
    Apr 16th
    10 Files
  • 17
    Apr 17th
    22 Files
  • 18
    Apr 18th
    45 Files
  • 19
    Apr 19th
    8 Files
  • 20
    Apr 20th
    0 Files
  • 21
    Apr 21st
    0 Files
  • 22
    Apr 22nd
    11 Files
  • 23
    Apr 23rd
    68 Files
  • 24
    Apr 24th
    23 Files
  • 25
    Apr 25th
    0 Files
  • 26
    Apr 26th
    0 Files
  • 27
    Apr 27th
    0 Files
  • 28
    Apr 28th
    0 Files
  • 29
    Apr 29th
    0 Files
  • 30
    Apr 30th
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2022 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close