33962 : PHP ext/filter FILTER_VALIDATE_EMAIL Newline Injection
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Views This Week

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Views All Time

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Info

Last Modified

about 1 year ago

Percent Complete

100%

Disclosure

Apr 07, 2007

Discovery

Unknown

Dates

Exploit

Unknown

Solution

Unknown

Keywords

PMOPB-45-2007

Description

PHP's ext/filter extension contains a flaw that may allow a malicious user to inject specially crafted mail headers. The issue is triggered due to the FILTER_VALIDATE_EMAIL function using an incorrect regular expression which can be trivially bypassed. By using a newline character, an attacker could potentially use this to send unsolicited e-mail from the host.

Classification

Location: Remote/Network Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Exploit: Exploit Available
OSVDB: Web Related

Solution

Upgrade to version 5.2.3 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

The PHP Group
Watch-list
PHP
Watch-list
5.2.0
5.2.1

References

Tools & Filters

Nessus

25340 25368 25373 26107 26942 28053

Credit

  • Stefan Esser - sesserBrand New Doo Doohardenend-php.net - Hardened-PHP Project

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