Correction. Even though i compile against fpic version of openssl
imap-login binnary is still dynamicly linked :/
root@sv1 [/usr/dovecot-2.2.33.2/libexec/dovecot]# ldd imap-login|grep ssl
libssl.so.1.0.0 => /lib64/libssl.so.1.0.0 (0x00007f1428559000)
I've put new libssl.so.1.0.0 in this location from /usr/openssl-1.0.2l-fpic/lib/
# strings /lib64/libssl.so.1.0.0|grep openssl -i
SSLv3 part of OpenSSL 1.0.2l 25 May 2017
TLSv1 part of OpenSSL 1.0.2l 25 May 2017
DTLSv1 part of OpenSSL 1.0.2l 25 May 2017
looks good.
and (obviously) restarted dovecot. Outside tester
https://filippo.io/CVE-2016-2107 still says my imap on port 993 is
vournable to CVE-2016-2107. Weird.
I wish dovecot could print out version of openssl he is using on
runtime (for example to maillog, every time he starts). For example
apache can do it (and many other programs). Its a must have feature in
situation where openssl is dynamicly linked at startup (as using env
LD_LIBRARY_PATH will make it link somewhere else for example).
2017-10-27 14:35 GMT+02:00 krz...@gmail.com <krz...@gmail.com>:
>>> You can check with ldd /usr/lib/dovecot/imap-login (or libexec)
>
> No, I cant because I'm compiling dovecot with openssl compiled as FPIC
> which means that its not getting dynamicly linked.
>
> When I try to compile against non-fpic openssl I just got
>
> /usr/openssl-1.0.2l/lib/libssl.a(s23_srvr.o): relocation R_X86_64_32
> against `.rodata' can not be used when making a shared object;
> recompile with -fPIC
>
> 2017-10-27 8:33 GMT+02:00 Aki Tuomi <aki.tu...@dovecot.fi>:
>>
>>
>> On 27.10.2017 00:53, krz...@gmail.com wrote:
>>> I got multiple versions of openssl in my system. I compile dovecot with
>>> PKG_CONFIG_PATH=/usr/openssl-1.0.2l-fpic/lib/pkgconfig ./configure
>>>
>>> How do I check which version of openssl got compiled in? configure
>>> script does not show version. There seem to be no way to check it in
>>> compiled binary (?)
>>>
>>> My dovecot is still seen vulnerable by tls testing tools so I'm
>>> guessing wrong version of openssl got compiled it but there seem to be
>>> no way to check it.
>> You can check with ldd /usr/lib/dovecot/imap-login (or libexec)
>>
>> Just check which SSL library has been linked to it.
>>
>> Aki
