[exim-dev] [Bug 844] New: h_from empty if angle brackets not…

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Autor: francesco
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Nowe tematy: [exim-dev] [Bug 844] h_from empty if angle brackets not closed, [exim-dev] [Bug 844] h_from empty if angle brackets not closed, [exim-dev] [Bug 844] h_from empty if angle brackets not closed, [exim-dev] [Bug 844] h_from empty if angle brackets not closed
Temat: [exim-dev] [Bug 844] New: h_from empty if angle brackets not closed
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http://bugs.exim.org/show_bug.cgi?id=844
           Summary: h_from empty if angle brackets not closed
           Product: Exim
           Version: 4.69
          Platform: Other
        OS/Version: Linux
            Status: NEW
          Severity: security
          Priority: critical
         Component: ACLs
        AssignedTo: nigel@???
        ReportedBy: fperillo@???
         QAContact: fperillo@???
                CC: exim-dev@???



Spammers are sending messages with "From:" or "To:" tags in the body w/o
closing the angle bracket, hence the h_from is apparently not parsed correctly
and the h_from exim variable is not assigned, actually disabling acl written
for the h_from sanitization.

An header excerpt from an "offending" message:

Received: from 95-24-139-215.broadband.corbina.ru ([95.24.139.215])by=20

mail1.camera.it with smtp (Exim 4.68)(envelope-from =

<licjun@???>)id

1Lu2ZW-0006lj-HKfor dummy@???; Wed, 15 Apr 2009 12:42:27 =

+0200

To: <dummy@???

Subject: Ricerchiamo collaboratori in gruppo operante a livello globale.

From: <forged@???

MIME-Version: 1.0

Importance: High

Could also the EOL be used to terminate the variables ?)


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