From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Epiphanov Sergei To: Sisyphus Subject: Re: [sisyphus] Re: Q: perl security, CPAN security User-Agent: KMail/1.8.1 References: <20050626090644.GB31585@solemn.turbinal.org> <200506271455.45144.serpiph@nikiet.ru> <20050627112900.GL31585@solemn.turbinal.org> In-Reply-To: <20050627112900.GL31585@solemn.turbinal.org> MIME-Version: 1.0 Content-Disposition: inline Date: Mon, 27 Jun 2005 16:11:00 +0400 Content-Type: text/plain; charset="koi8-r" Message-Id: <200506271611.00693.serpiph@nikiet.ru> Content-Transfer-Encoding: quoted-printable X-BeenThere: sisyphus@altlinux.ru X-Mailman-Version: 2.1.5 Precedence: list Reply-To: ALT Linux Sisyphus discussion list List-Id: ALT Linux Sisyphus discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 27 Jun 2005 12:09:26 -0000 Archived-At: List-Archive: =F7 =D3=CF=CF=C2=DD=C5=CE=C9=C9 =CF=D4 27 =E9=C0=CE=D8 2005 15:29 Alexey = Tourbin =CE=C1=D0=C9=D3=C1=CC: > On Mon, Jun 27, 2005 at 02:55:44PM +0400, Epiphanov Sergei wrote: > =F7=D9 =D0=CF=CE=C9=CD=C1=C5=D4=C5, =DE=D4=CF =DC=D4=CF *=D4=CF=CC=D8=CB= =CF =C4=CC=D1 =D2=D5=D4=C1* =D0=D2=C5=C4=CC=C1=C7=C1=C5=D4=D3=D1 =D3=C4=C5= =CC=C1=D4=D8? > =F5 =D7=C1=D3 apache =C9=D3=D0=CF=CC=CE=D1=C5=D4 =D0=C5=D2=CC=CF=D7=D9=CA= =CB=CF=C4 =D3 =D0=D2=C1=D7=C1=CD=C9 =D2=D5=D4=C1? =FE=D4=CF =D6, =DA=C4=C5=D3=D8 =D0=CF=C7=CF=D2=D1=DE=C9=CC=D3=D1... =E8=CF= =D4=D1 =C9=CE=CF=C7=C4=C1 =DA=C1=D0=D5=D3=CB=C1=C0. =E4=CC=D1 =D7=D9=D7=CF= =C4=C1 =D3=D4=C1=D4=C9=DE=CE=CF=CA=20 =D4=C5=D3=D4=CF=D7=CF=CA =C9=CE=C6=CF=D2=CD=C1=C3=C9=C9. > > > $ perl test.pl arg > > > /usr/bin/=CB=CF=CD=C1=CE=C4=C1 'arg' > > > $ perl test.pl arg\'\;rm\ -rf\ \'/ > > > /usr/bin/=CB=CF=CD=C1=CE=C4=C1 'arg';rm -rf '/' > > > $ > > > > =EE=CF =DC=D4=C9 =D6=C5 =CB=CF=CD=C1=CE=C4=D9 =F7=D9 =CE=C1=C2=C9=D2=C1= =C5=D4=C5 =D3=C1=CD=C9! =F3=D4=C1=CC=CF =C2=D9=D4=D8, =CD=CF=D6=CE=CF =D0= =D2=CF=D7=C5=D2=C9=D4=D8 =DE=D4=CF > > =CE=C1=C2=C9=D2=C1=C5=D4=C5. =F0=CF=D7=D4=CF=D2=D1=C0: =C4=CC=D1 _=CC= =C9=DE=CE=CF=C7=CF_ =D0=CF=CC=D8=DA=CF=D7=C1=CE=C9=D1. =F1 =D0=C9=DB=D5 =D0= =CF=C4=CF=C2=CE=CF=C5 =C4=CC=D1 > > =CF=C2=D2=C1=C2=CF=D4=CB=C9 =F3=F7=EF=E9=E8 =C6=C1=CA=CC=CF=D7 =D7 =CB= =C1=D4=C1=CC=CF=C7=C5, =D0=D2=C5=C4=D7=C1=D2=C9=D4=C5=CC=D8=CE=CF =D0=D2=CF= =D3=CD=CF=D4=D2=C5=D7 =CE=C1=D0=C9=D3=C1=CE=C9=C5 > > =C9=C8 =C9=CD=A3=CE. > > =EF=C4=CE=C1=CB=CF =D6=C5 =D0=CF=CC=CE=CF=CD=CF=DE=C9=D1 =D2=D5=D4=C1 =D7= =D9=C8=CF=C4=D1=D4 =DA=C1 =D0=D2=C5=C4=C5=CC=D9 =F3=F7=EF=E9=E8 =C6=C1=CA= =CC=CF=D7 =D7 =CB=C1=D4=C1=CC=CF=C7=C5. =FA=CE=C1=C0, =DE=D4=CF =D7=D9=C8=CF=C4=D1=D4. =EE=CF =C4=CC=D1 =DC=D4=CF= =C7=CF =C9 =D3=D5=DD=C5=D3=D4=D7=D5=C5=D4 =C7=CF=CC=CF=D7=C1, =DE=D4=CF=C2= =D9 =C5=CA =C4=D5=CD=C1=D4=D8, =C1 =CE=C5=20 =D4=CF=CC=D8=CB=CF =C5=D3=D4=D8. :) > =F7 =D3=D5=DD=CE=CF=D3=D4=C9, =CE=C5=CB=CF=D4=CF=D2=D9=C5 =D0=D2=CF=C7=D2= =C1=CD=CD=D9 =D0=D2=CF=D3=D4=CF =CF=D4=CB=C1=DA=D9=D7=C1=C0=D4=D3=D1 =DA=C1= =D0=D5=D3=CB=C1=D4=D8=D3=D1 =CF=D4 =D2=D5=D4=C1. > =EB=C1=D6=C5=D4=D3=D1, =D2=C1=CE=D8=DB=C5 perldoc =CE=C5 =DA=C1=D0=D5=D3= =CB=C1=CC=D3=D1 =CF=D4 =D2=D5=D4=C1. =F7 elinks'=C5 =C5=D3=D4=D8 =CF=D0=C3= =C9=D1 > configure > --enable-no-root enable prevention of usage by root > > =FA=C1=D0=D5=D3=CB=C1=D4=D8 =CE=C5=D4=D2=C9=D7=C9=C1=CC=D8=CE=D5=C0 =D0= =D2=CF=C7=D2=C1=CD=CD=D5 =CF=D4 =D2=D5=D4=C1 -- =CE=C5=C2=C5=DA=CF=D0=C1=D3= =CE=CF, =D0=D2=C9=CE=D5=C4=C9=D4=C5=CC=D8=CE=CF > =DA=C1=D0=D2=C5=DD=C1=D4=D8 =C5=A3 =DA=C1=D0=D5=D3=CB=C1=D4=D8 -- =C7=CC= =D5=D0=CF. =F7 =D0=C5=D2=CC=C5 =C5=D3=D4=D8 =D2=C1=DA=D5=CD=CE=C1=D1 =C1= =CC=D8=D4=C5=D2=CE=C1=D4=C9=D7=C1 -- > taint mode. =E1=C7=C1, =C7=C1=CA=CB=C9 =DA=C1=CB=D2=D5=D4=C9=CC=C9 =D3 =CC=CF=CB=C1=CC= =D8=C0 =D2=D5=D4=C1, =D0=D2=C9=DB=CC=CF=D3=D8 =C9=C8 =D3=CD=C1=DA=D9=D7=C1= =D4=D8 =C9=DA-=DA=C1 =CE=CF=D7=CF=C7=CF mc.=20 =F4=C5=D0=C5=D2=D8 =CE=C5=CF=C2=C8=CF=C4=C9=CD=CF =C2=D5=C4=C5=D4 =D0=D2=CF= =D7=C5=D2=D1=D4=D8 =D7=D3=C5 =D3=D7=CF=C9 =D0=D2=CF=C7=D2=C1=CD=CD=D9 =CE= =C1 =D2=C1=C2=CF=D4=D5 =D7 =D2=C5=D6=C9=CD=C5=20 taint... =F0=D2=C1=D7=C4=C1, =C9=C8 =CF=DE=C5=CE=D8 =CD=C1=CC=CF. > > =F5 =CD=C5=CE=D1 umask 077 =C4=CC=D1 =CE=C5-root. =F3=D4=C1=CC=CF =C2= =D9=D4=D8, =D0=CF=D3=CC=C5 =F7=C1=DB=C5=CA =D5=D3=D4=C1=CE=CF=D7=CB=C9 =CE= =C9=CB=D4=CF =CE=C5 > > =D0=CF=CC=D5=DE=C9=D4 =C4=CF=D3=D4=D5=D0 =CB =CD=CF=C4=D5=CC=D1=CD, =C5= =D3=CC=C9 =D3=D0=C5=C3=C9=C1=CC=D8=CE=CF =CE=C5 =C4=A3=D2=C7=C1=D4=D8=D3=D1=