svn commit: r318313 - head/libexec/rtld-elf

[Nikolai Lifanov]

On 05/15/2017 14:52, Alexey Dokuchaev wrote:
> On Mon, May 15, 2017 at 06:48:58PM +0000, Konstantin Belousov wrote:
>> New Revision: 318313
>> URL: https://svnweb.freebsd.org/changeset/base/318313
>>
>> Log:
>>   Make ld-elf.so.1 directly executable.
> 
> Does it mean that old Linux' trick of /lib/ld-linux.so.2 /bin/chmod +x
> /bin/chmod would now be possible on FreeBSD as well?  Does this have
> any security implications?
> 
> ./danfe

This is a use case for fixing accidentally hosed /bin/chmod binary and
not some sort of an escalation thing. You will need to be root to do
this. Likewise, with working chmod binary, you should be able to mark
binaries with write access executable.

- Nikolai Lifanov

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