/ 
CGI-Session-4.00_05
/ CGI::Session::ErrorHandler
Security Advisories (3)
CVE-2006-1279 (2006-03-19)

CGI::Session 4.03-1 allows local users to overwrite arbitrary files via a symlink attack on temporary files used by (1) Driver::File, (2) Driver::db_file, and possibly (3) Driver::sqlite.

CPANSA-CGI-Session-2006-01 (2006-04-06)

possible SQL injection attack

CVE-2026-56016 (2026-07-01)

CGI::Session::ID::md5 versions before 4.49 for Perl generate predictable session ids from low-entropy sources. The generate_id method builds the session id from a MD5 digest of the process id, the epoch time, and the built-in rand() function. All three are predictable, low-entropy sources: the PID is drawn from a small range, the epoch time can be guessed or read from the HTTP Date header, and Perl's rand() is unsuitable for security purposes because it is predictable and reversible. An attacker who predicts a session id can impersonate the corresponding session and bypass authentication.

NAME

CGI::Session::ErrorHandler - error handling routines for CGI::Session

SYNOPSIS

require CGI::Session::ErrorHandler
@ISA = qw( CGI::Session::ErrorHandler );


sub some_method {
    my $self = shift;
    unless (  $some_condition ) {
        return $self->set_error("some_method(): \$some_condition isn't met");
    }
}

DESCRIPTION

CGI::Session::ErrorHandler provides set_error() and errstr() methods for setting and accessing error messages from within CGI::Session's components. This method should be used by driver developers for providing CGI::Session-standard error handling routines for their code

METHODS

set_error( $message )

Implicitly defines $pkg_name::errstr and sets its value to $message. Return value is always undef.

errstr()

Returns whatever value was set by the most recent call to set_error().

LICENSING

For support and licensing information see CGI::Session.