37670 : ZyXEL ZyWALL 2 ZyNOS Forms/General_1 Multiple Parameter CSRF
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
3	197	over 4 years ago	about 1 year ago	2 times	90%

Timeline

Vendor Informed Date	Disclosure Date	Exploit Publish Date
2007-05-10	2007-08-10	2007-08-10

Description

Zyxel ZyWall 2 contains a flaw that allows a remote Cross-site Request Forgery (CSRF / XSRF) attack. The flaw exists because the application does not require multiple steps or explicit confirmation for sensitive transactions for the management interface. By using a crafted URL (e.g., a crafted GET request inside an "img" tag), an attacker may trick the victim into clicking on the image to take advantage of the trust relationship between the authenticated victim and the application. Such an attack could trick the victim into executing arbitrary commands in the context of their session with the application, without further prompting or verification.

Classification

Location: Remote / Network Access
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Change Default Setting
Exploit: Exploit Public
Disclosure: OSVDB Verified
OSVDB: Web Related

Solution

Immediately after installation, change all default installed accounts to use a unique and secure password. When possible, change default account names to custom names as well.

Do not browse other sites while administering the device.

Products

ZyXEL Communications Corporation

ZyWALL

References

CVE ID: 2007-4317 (see also: NVD)
Bugtraq ID: 25262
Secunia Advisory ID: 26381
ISS X-Force ID: 35913
Related OSVDB ID: 37669
Mail List Post: http://archives.neohapsis.com/archives/bugtraq/2007-08/0137.html
Other Advisory URL: http://securityreason.com/securityalert/3002
http://www.louhi.fi/advisory/zyxel_070810.txt

Manual Testing Notes

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 4.3
Source: nvd.nist.gov | Generated: 2007-08-14 | Disagree?

Blogs

This product uses the Daylife API but is not endorsed or certified by Daylife.

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