Upcoming FreeBSD Security Advisory

[pluknet]

2009/12/1 Roberto Nunnari <roberto.nunnari at supsi.ch>:
> Julian H. Stacey ha scritto:
>>
>> Reference:
>>>
>>> From:           Jan Muenther <jan.muenther at nruns.com>
>>
>>> I'd be greatly surprised if the affected code looked different in 6.x.
>>
>> There is No unsetenv in 6.2-RELEASE/src/libexec/rtld-elf/rtld.
>> There Is    unsetenv in 6.[34]-RELEASE/src/libexec/rtld-elf/rtld.
>>
>> Cheers,
>> Julian
>
> I just checked it out, and on 6.4 the script doesn't work.
> $ uname -rms
> FreeBSD 6.4-RELEASE-p7 i386

Because in 6.x *env() uses legacy Berkeley implementation, while 7+
uses its own one.

-- 
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