Date: Mon, 13 Jun 2011 15:28:11 -0400 (EDT) From: Josh Bressers <bressers@...hat.com> To: oss-security@...ts.openwall.com Cc: Damyan Ivanov <dmn@...ian.org>, Mark Stosberg <mark@...mersault.com>, 629511@...s.debian.org, Iain Arnell <iarnell@...il.com>, Marcela Maslanova <mmaslano@...hat.com>, "Steven M. Christey" <coley@...us.mitre.org> Subject: Re: CVE Request -- Data-FormValidator -- Reports invalid field as valid when untaint_all_constraints used ----- Original Message ----- > Hello, Josh, Steve, vendors, > > It was found that perl-Data-FormValidator, a HTML form user input > validator, used to treat certain invalid fields as valid, when the > untaint_all_constraints directive was used (default for majority of > Data-FormValidator routines). A remote attacker could use this flaw to > bypass perl Taint mode protection mechanism via specially-crafted > input > provided to the HTML form. > > Note: Hopefully Damyan, Mark can clarify here, if valid data from > Data-FormValidator are automatically marked as untainted for > perl Taint mode or not. If there still is perl Taint mode > protection check present, even on valid Data-FormValidator > data and it couldn't happen, that tainted data would be passed > further to the script processing, then this is not a security > issue. > > References: >  http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=629511 >  https://rt.cpan.org/Public/Bug/Display.html?id=61792 >  https://bugzilla.redhat.com/show_bug.cgi?id=712694 > Upstream seem to believe this is a security flaw. Please use CVE-2011-2201. Thanks. -- JB
Powered by blists - more mailing lists
Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.
Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.