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BugTraq
Re: [Full-disclosure] Linux kernel source archive vulnerable Sep 07 2006 07:22PM Raj Mathur (raju linux-delhi org) (2 replies) Re: [Full-disclosure] Linux kernel source archive vulnerable Sep 07 2006 08:01PM hadmut danisch de (Hadmut Danisch) |
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>>>>>> "Hadmut" == Hadmut Danisch <hadmut (at) danisch (dot) de [email concealed]> writes:
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> Hadmut> [snip]
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> Hadmut> When unpacking such an archive, tar also sets the uid,
> Hadmut> gid, and file permissions given in the tar
> Hadmut> archive. Unfortunately, plenty of files and directories in
> Hadmut> that archive are world writable. E.g. in the 2.6.17.11
> Hadmut> archive, there are 1201 world writable directories and
> Hadmut> 19554 world writable files.
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> I wouldn't know if something has changed drastically between 2.6.16
> and 2.6.17.11, but:
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> raju@mail:~$ find /usr/src/linux-2.6.16/ -perm -666 ! -type l
> raju@mail:~$
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> Not a single world-writable file or directory. Perhaps pre-release
> kernel tarballs are more lax?
Seems to. I just checked linux-2.6.13 and linux-2.6.17.6. While the
first has no world writeable files or directories at all the latter
has tons of it. Interesting.
Cheers,
Chris Kronberg.
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