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TITLE:
ModernBill Payment SSL Missing Peer Certificate Verification

SECUNIA ADVISORY ID:
SA21663

VERIFY ADVISORY:
http://secunia.com/advisories/21663/

CRITICAL:
Less critical

IMPACT:
Exposure of sensitive information

WHERE:
>From remote

SOFTWARE:
ModernBill 5.x
http://secunia.com/product/11774/

DESCRIPTION:
Justin Samuel has reported a security issue in ModernBill, which can
be exploited by malicious people to conduct man-in-the-middle (MITM)
attacks.

The problem is caused due to the application calling CURL with
CURLOPT_SSL_VERIFYPEER
and CURLOPT_SSL_VERIFYHOST set to false when communicating with a
payment gateway over SSL. This causes the CURL library to not
properly verifying the peer's certificate and can potentially be
exploited in a man-in-the-middle attack to decrypt all communications
between ModernBill and the payment gateway.

The security issue has been reported in versions 5.0.1 and 5.0.4.
Other versions may also be affected.

SOLUTION:
Do not configure the application to use a payment gateway.

Use another product.

PROVIDED AND/OR DISCOVERED BY:
Justin Samuel

ORIGINAL ADVISORY:
http://www.justinsamuel.com/security-vulnerabilities/12/vulnerability-modernbill-insecure-curl-settings

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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/secunia_security_advisories/

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