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danno
2015 Mar 29
4
Invalid memory access / read stack overflow when reading config with zero bytes
...ien Miller <djm at mindrot.org> wrote:
> What version of OpenSSH is this?
6.8 portable on Linux.
> Also, when reporting fuzzer-derived problems it really helps to
> include the test-case.
The "test case" is a one byte file containing a zero byte. But here it
is :-)
--
Hanno B?ck
http://hboeck.de/
mail/jabber: hanno at hboeck.de
GPG: BBB51E42
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2015 Mar 29
2
Invalid memory access / read stack overflow when reading config with zero bytes
...iling
ssh with address sanitizer. I'll attach the address sanitizer and
valgrind output.
Reproduce:
dd if=/dev/zero of=zero bs=1 count=1
valgrind -q ssh -F zero x
This was found while fuzzing ssh with american fuzzy lop.
(Please CC me on replies, I'm not subscribed to the list.)
cu,
--
Hanno B?ck
http://hboeck.de/
mail/jabber: hanno at hboeck.de
GPG: BBB51E42
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2007 Aug 25
1
Strange window flipping around
...ows and moving a window left out of the
screen (so the cube turns) the window seems to flip to the other side of the
screen and back.
This doesn't happen with 0.5.
If required, I could try to make a film out of it. Any ideas what is wrong?
I'd prefer to have this fixed before 0.6.
--
Hanno B?ck Blog: http://www.hboeck.de/
GPG: 3DBD3B20 Jabber: hanno at hboeck.de
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2006 Sep 28
3
configuration tools
...seen it, but from what I read seems ok, but website
defaced and download dead
- csm: doesn't work with vanilla compiz
So: Is there any tool atm to set the compiz gconf options with some nice
dialoges? And if it's only someone sending me the archives of gset-compiz and
compiztools.
--
Hanno B?ck Blog: http://www.hboeck.de/
GPG: 3DBD3B20 Jabber: jabber@hboeck.de
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2015 Mar 29
2
Invalid memory access / read stack overflow when reading config with zero bytes
On Sun, 29 Mar 2015, Nico Kadel-Garcia wrote:
> On Sun, Mar 29, 2015 at 6:36 PM, Hanno B?ck <hanno at hboeck.de> wrote:
> > On Mon, 30 Mar 2015 09:19:02 +1100 (AEDT)
> > Damien Miller <djm at mindrot.org> wrote:
> >
> >> What version of OpenSSH is this?
> >
> > 6.8 portable on Linux.
>
> There are a *lot* of Linux flavors. Whi...
2007 Jul 08
2
[PATCH] Correct linking for png-plugin
If compiled with LDFLAGS="-Wl,--as-needed", compiz fails to correctly link the
png-plugin.
Attached patch fixes it (though I don't know if this is the correct way to do
this in autotools).
--
Hanno B?ck Blog: http://www.hboeck.de/
GPG: 3DBD3B20 Jabber: jabber at hboeck.de
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2014 Apr 25
2
separating logs by port
...ke to know how many
users use them, but at the moment I can't see which port my users use.
I haven't found an easy way to detect that. The easiest thing would be
if there'd be a way to add the port number to the pop3-login/imap-login
lines in the log files. Any way to do that?
cu,
--
Hanno B?ck
http://hboeck.de/
mail/jabber: hanno at hboeck.de
GPG: BBB51E42
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2015 Mar 29
2
Invalid memory access / read stack overflow when reading config with zero bytes
On Mon, 30 Mar 2015, Damien Miller wrote:
> On Mon, 30 Mar 2015, Hanno B?ck wrote:
>
> > On Mon, 30 Mar 2015 09:19:02 +1100 (AEDT)
> > Damien Miller <djm at mindrot.org> wrote:
> >
> > > What version of OpenSSH is this?
> >
> > 6.8 portable on Linux.
>
> That's strange - the line numbers in the valgrind sta...
2015 Apr 24
3
[patch] TLS Handshake failures can crash imap-login
...en started due to an
error. This can be done by a simple if check, see attached patch. I
think this should do it.
I have seen that a bug that is probably rootet in this has been posted
here before regarding ssl3-disabled configs:
http://dovecot.org/pipermail/dovecot/2015-March/100188.html
cu,
--
Hanno B?ck
http://hboeck.de/
mail/jabber: hanno at hboeck.de
GPG: BBB51E42
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2006 Oct 06
2
[Fwd: Re: compiz coding style]
Argl, this was meant to go to the list and not only to Hanno!
--
email - macslow@bangang.de
www - http://macslow.thepimp.net
lowfat - http://macslow.thepimp.net/sponsor-it
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Subject: Re: [compiz] compiz coding style
Date...
2015 Apr 25
4
[patch] TLS Handshake failures can crash imap-login
On 04/25/2015 11:55 AM, James wrote:
> On 24/04/2015 22:17, Hanno B?ck wrote:
>
> Hello,
>
>> I tracked down a tricky bug in dovecot that can cause the imap-login
>> and pop3-login processes to crash on handshake failures.
>> This can be tested by disabling SSLv3 in the dovecot config
>> (ssl_protocols = !SSLv2 !SSLv3) and tryin...
2007 Apr 11
3
The direct/indirect rendering stuff and compiz
...would probably to add an optional parameter to
glXQueryExtensionsString to force indirect rendering. Shouldn't be that hard,
some fiddling around with stdarg/va_list. As this probably results in a small
API-change, I wanted to have the opinion of the mesa-folks how to solve this
best.
--
Hanno B?ck Blog: http://www.hboeck.de/
GPG: 3DBD3B20 Jabber: jabber@hboeck.de
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2018 Sep 05
1
Global duplicate filtering via Sieve
...te extension
for filtering out such duplicate messages.
Would it be feasible to add a script with sieve_before that does this
for all users?
Do scripts that run from sieve_before store persistent data also on a
per-user basis, i.e. in the user's home dir?
Thanks for your help!
Best regards
Hanno
1997 Jul 23
0
collecting browse flags
...ags of a server?
The problem is:
If I am sitting at a Unix box which is not the master browser the
browse.dat file just contains entries for my box and the master browser.
Btw: is that the correct behavior?
And I also like to collect them for a remote workgroup.
Any ideas?
Thanks in advance,
Hanno
Hanno Hecker hanno@auryn.ping.de
Emil-Figge-Str. 25
Dortmund
2007 Nov 06
1
CVE-2007-3920
A bypass for screensaver password dialogs has been found within compiz.
What about it?
Ubuntu created a patch, gentoo took the same:
https://bugs.gentoo.org/show_bug.cgi?id=196878
--
Hanno B?ck Blog: http://www.hboeck.de/
GPG: 3DBD3B20 Jabber/Mail: hanno at hboeck.de
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2006 Oct 04
2
cow by default?
Hi David,
--use-cow seems to be quite stable on all variations of tfp (xgl, aiglx,
nvidia), I think it was the plan to default-enable it. Do you think it's
ready for that? Want a patch?
--
Hanno B?ck Blog: http://www.hboeck.de/
GPG: 3DBD3B20 Jabber: jabber@hboeck.de
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2006 Jun 28
1
Strange stuff in autogen.sh
...s/etc.-stuff, but
am courious what this is for?
What does bgo 323968 mean? Is this a bug number? It isn't in the fdo-bugzilla.
The reason I'm investigating this is that I'd like to use gentoos own
autoreconf-macros and avoid running autogen.sh. Without these lines, this
fails.
--
Hanno B?ck Blog: http://www.hboeck.de/
GPG: 3DBD3B20 Jabber: jabber@hboeck.de
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2014 Jun 16
1
Problems with dovecot 2.2.13 and monit
...is
> used). It is possible that the problem is related to their DoS-attack
> modification, which has most probably unexpected side-effect.
Maybe this is related to the DDoS-protection measures that have been
added in dovecot 2.2.13.
Would apprechiate if someone could have a look.
cu,
--
Hanno B?ck
http://hboeck.de/
mail/jabber: hanno at hboeck.de
GPG: BBB51E42
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2008 Mar 07
1
Current state - how to get gallium-stuff running?
...assume I need some other branch of xf86-video-nouveau (?)
I asked in irc but was pointed that it's not the right place to ask, though I
didn't find any information in the wiki. Can someone give me some pointers?
I'd volunteer to write some wiki documentation if I get it running.
--
Hanno B?ck Blog: http://www.hboeck.de/
GPG: 3DBD3B20 Jabber/Mail: hanno at hboeck.de
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2014 Jul 12
1
openssh portable and libressl portable cause recursion between arc4random and RAND_bytes
...all change is needed: the
libressl-arc4random.c doesn't have the arc4random_stir()-function,
I copied that back from the openssh-arc4random.c.
Works so far, see attached patch.
An alternative would be to check for the availability of arc4random in
libcrypto and use that if available.
cu,
--
Hanno B?ck
http://hboeck.de/
mail/jabber: hanno at hboeck.de
GPG: BBB51E42
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