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Date: Thu, 07 Sep 2006 17:04:39 -0400 From: Troy Cregger <tcregger@...nedyinfo.com> To: full-disclosure@...ts.grok.org.uk Subject: Re: Linux kernel source archive vulnerable -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 kernel-2.6.17-gentoo-r7 seems OK. $ find /usr/src/linux-2.6.17-gentoo-r7/ -perm -666 ! -type l | wc -l 0 $ Hadmut Danisch wrote: > On Fri, Sep 08, 2006 at 12:52:22AM +0530, Raj Mathur wrote: >> I wouldn't know if something has changed drastically between 2.6.16 >> and 2.6.17.11, but: >> >> raju@...l:~$ find /usr/src/linux-2.6.16/ -perm -666 ! -type l >> raju@...l:~$ >> >> Not a single world-writable file or directory. Perhaps pre-release >> kernel tarballs are more lax? > > > On my machine (I also have a 2.6.16): > > # find /usr/src/linux-2.6.16/ -perm -666 ! -type l | wc -l > 20434 > > > > > Just to doublecheck I wrote a script which parses the kernel tar: > > pax_global_header 52 b mode=666 uid= 0 gid= 0 > linux-2.6.17.11/ 0 b mode=777 uid= 0 gid= 0 > linux-2.6.17.11/.gitignore 462 b mode=666 uid= 0 gid= 0 > linux-2.6.17.11/COPYING 18693 b mode=666 uid= 0 gid= 0 > linux-2.6.17.11/CREDITS 89536 b mode=666 uid= 0 gid= 0 > linux-2.6.17.11/Documentation/ 0 b mode=777 uid= 0 gid= 0 > linux-2.6.17.11/Documentation/00-INDEX 10581 b mode=666 uid= 0 gid= 0 > linux-2.6.17.11/Documentation/BUG-HUNTING 7249 b mode=666 uid= 0 gid= 0 > linux-2.6.17.11/Documentation/Changes 11655 b mode=666 uid= 0 gid= 0 > linux-2.6.17.11/Documentation/CodingStyle 17843 b mode=666 uid= 0 gid= 0 > linux-2.6.17.11/Documentation/DMA-API.txt 21291 b mode=666 uid= 0 gid= 0 > linux-2.6.17.11/Documentation/DMA-ISA-LPC.txt 5332 b mode=666 uid= 0 gid= 0 > linux-2.6.17.11/Documentation/DMA-mapping.txt 32801 b mode=666 uid= 0 gid= 0 > linux-2.6.17.11/Documentation/DocBook/ 0 b mode=777 uid= 0 gid= 0 > linux-2.6.17.11/Documentation/DocBook/.gitignore 35 b mode=666 uid= 0 gid= 0 > ... > > > A friend of mine confirmed to also have world writable dirs and files. > > regards > Hadmut > > _______________________________________________ > Full-Disclosure - We believe in it. > Charter: http://lists.grok.org.uk/full-disclosure-charter.html > Hosted and sponsored by Secunia - http://secunia.com/ - -- Troy Cregger Lead Developer, Technical Products. Kennedy Information, Inc One Phoenix Mill Ln, Fl 3 Peterborough, NH 03458 (603)924-0900 ext 662 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFFAIlnnBEWLrrYRl8RAv6aAJ9A7zDWEpLBsyoXUSL58VD+JB/GNACdHp8i m2gBFN3sKtntK01fzKoByIQ= =s/NR -----END PGP SIGNATURE----- _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/
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