1 |
On Thu, Apr 10, 2014 at 4:22 PM, Matthew Finkel |
2 |
<matthew.finkel@×××××.com> wrote: |
3 |
> On Thu, Apr 10, 2014 at 05:53:44PM +0800, J?n Zahornadsk? wrote: |
4 |
>> On 04/10/2014 05:03 PM, Adam Carter wrote: |
5 |
>> > |
6 |
>> > What surprises me here is OpenSSH. It's not supposed to use OpenSSL |
7 |
>> > but Debian update process suggests to restart it after updating |
8 |
>> > OpenSSL to a fixed version. Is it an overkill on their part? It |
9 |
>> > might confuse admins. |
10 |
>> > |
11 |
>> > |
12 |
>> > adam@proxy ~ $ ldd /usr/sbin/sshd |
13 |
>> > linux-vdso.so.1 (0x00007fffb068e000) |
14 |
>> > libwrap.so.0 => /lib64/libwrap.so.0 (0x00007f68db1e6000) |
15 |
>> > libpam.so.0 => /lib64/libpam.so.0 (0x00007f68dafd8000) |
16 |
>> > libcrypto.so.1.0.0 => /usr/lib64/libcrypto.so.1.0.0 (0x00007f68dabf5000) |
17 |
>> > libutil.so.1 => /lib64/libutil.so.1 (0x00007f68da9f2000) |
18 |
>> > libz.so.1 => /lib64/libz.so.1 (0x00007f68da7db000) |
19 |
>> > libcrypt.so.1 => /lib64/libcrypt.so.1 (0x00007f68da5a4000) |
20 |
>> > libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f68da387000) |
21 |
>> > libc.so.6 => /lib64/libc.so.6 (0x00007f68d9fd7000) |
22 |
>> > libgcc_s.so.1 => |
23 |
>> > /usr/lib/gcc/x86_64-pc-linux-gnu/4.8.2/libgcc_s.so.1 (0x00007f68d9dc0000) |
24 |
>> > libdl.so.2 => /lib64/libdl.so.2 (0x00007f68d9bbc000) |
25 |
>> > /lib64/ld-linux-x86-64.so.2 (0x00007f68db3f1000) |
26 |
>> > adam@proxy ~ $ qfile /usr/lib64/libcrypto.so.1.0.0 |
27 |
>> > dev-libs/openssl (/usr/lib64/libcrypto.so.1.0.0) |
28 |
>> > adam@proxy ~ $ |
29 |
>> > |
30 |
>> > So OpenSSH clearly IS using OpenSSL, and you need to restart sshd after |
31 |
>> > upgrading OpenSSL. |
32 |
>> |
33 |
>> As far as I know, it doesn't use it for the communication itself, just |
34 |
>> some key generations, so it shouldn't be affected by this bug. But I |
35 |
>> guess better safe than sorry... |
36 |
>> |
37 |
> |
38 |
> Right. heartbleed does not directly affect openssh, but openssh uses |
39 |
> openssl and it's good practice to keep the shared libraries on-disk and |
40 |
> the shared libraries in-memory in sync. |
41 |
> |
42 |
|
43 |
|
44 |
How is OpenSSH not affected? |