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Secunia Security Advisory 44830

Secunia Security Advisory 44830
Posted Jun 6, 2011
Authored by Secunia | Site secunia.com

Secunia Security Advisory - A weakness has been reported in vBulletin, which can be exploited by malicious people to conduct spoofing attacks.

tags | advisory, spoof
SHA-256 | 4bacd401ce9f10a5cd777a0e0c28211620c0e05c1ca27e9736b38eeada837af2

Secunia Security Advisory 44830

Change Mirror Download
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Join Secunia @ FIRST Conference, 12-17 June, Hilton Vienna, Austria
See to the presentation "The Dynamics and Threats of End-Point Software Portfolios" by Secunia's Research Analyst Director, Stefan Frei.
Read more:
http://conference.first.org/


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TITLE:
vBulletin "url" Redirection Weakness

SECUNIA ADVISORY ID:
SA44830

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/44830/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=44830

RELEASE DATE:
2011-06-06

DISCUSS ADVISORY:
http://secunia.com/advisories/44830/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
* Last Update
* Popularity
* Comments
* Criticality Level
* Impact
* Where
* Solution Status
* Operating System / Software
* CVE Reference(s)

http://secunia.com/advisories/44830/

ONLY AVAILABLE IN CUSTOMER AREA:
* Authentication Level
* Report Reliability
* Secunia PoC
* Secunia Analysis
* Systems Affected
* Approve Distribution
* Remediation Status
* Secunia CVSS Score
* CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=44830

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
* AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
A weakness has been reported in vBulletin, which can be exploited by
malicious people to conduct spoofing attacks.

Input passed via the "url" parameter to login.php (when "do" is set
to "lostpw") is not properly verified before being used to redirect
users. This can be exploited to redirect a user to an arbitrary
website e.g. when a user clicks a specially crafted link to the
affected script hosted on a trusted domain.

SOLUTION:
Edit the source code to ensure that input is properly verified.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Robert Gilbert, HALOCK Security Labs.

ORIGINAL ADVISORY:
http://www.vbulletin.com/forum/showthread.php/381014-Potential-Phishing-Vector?p=2166441

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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

About:
This Advisory was delivered by Secunia as a free service to help
private users 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.

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

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