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List: clamav-users
Subject: Re: [clamav-users] database updates blocked
From: Jona Tallieu <jona () tnt ! be>
Date: 2021-08-18 9:39:32
Message-ID: A09A5993-DEBC-44D1-B9E5-55130A500402 () tnt ! be
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Dear all,
Thanks for all the help and info.
I ended up doing a trace of what our custom clamav does at boot time:
90272 open("/etc/pki/tls/certs/ca-bundle.crt", O_RDONLY) = -1 ENOENT (No such file or \
directory) 90272 close(4) = 0
90272 write(1, "* ERROR: Download failed (77)", 30) = 30
90272 write(1, "* ERROR: Message: Problem with the SSL CA cert (path? access \
rights?)\n", 71) = 71
That path is apparently hardcoded in the custom binary we use:
mail: # strings cgpclamav | grep ca bundle
/etc/pki/tls/certs/ca-bundle.crt
As far as I can see that is the path used on RHEL (and derivatives like CentOS). \
Since I didn't find a location to overwrite that path, I made a symlink from \
/etc/pki/tls/certs/ca-bundle.crt to /etc/ssl/certs/ca-certificates.crt, where the \
certificates on Debian are located (provided there by the ca-certificates package).
Now the database updates work again.
Thanks for point me in the right direction!
Regards,
Jona
[http://www.tnt.be/static/emailsig/img/tallieu-tallieu-signature.png]<http://www.tnt.be/>
From: clamav-users <clamav-users-bounces@lists.clamav.net> on behalf of "Micah Snyder \
(micasnyd) via clamav-users" <clamav-users@lists.clamav.net>
Reply-To: ClamAV users ML <clamav-users@lists.clamav.net>
Date: Tuesday, 17 August 2021 at 18:07
To: ClamAV users ML <clamav-users@lists.clamav.net>
Cc: "Micah Snyder (micasnyd)" <micasnyd@cisco.com>
Subject: Re: [clamav-users] database updates blocked
Resent-From: <jona@mail.tnt.be>
Resent-Date: Tuesday, 17 August 2021 at 18:07
If you're running into the CA cert problem with FreshClam because your CA certificate \
bundle is in a non-standard place, you can also set the CURL_CA_BUNDLE environment to \
point to the file holding one or more certificates. FreshClam and ClamSubmit will \
check that environment variable and use it instead of the default openssl CA path.
My apologies that this isn't in the documentation (yet). I will add it today. \
https://github.com/Cisco-Talos/clamav/issues/175
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<p class="MsoNormal"><span lang="EN-US" \
style="font-size:10.0pt;font-family:"Arial",sans-serif">Dear \
all,<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" \
style="font-size:10.0pt;font-family:"Arial",sans-serif">Thanks for all the \
help and info.<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" \
style="font-size:10.0pt;font-family:"Arial",sans-serif">I ended up doing a \
trace of what our custom clamav does at boot time:<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" \
style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" \
style="font-size:10.0pt;font-family:"Arial",sans-serif">90272 \
open("/etc/pki/tls/certs/ca-bundle.crt", O_RDONLY) = -1 ENOENT (No such \
file or directory)<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-size:10.0pt;font-family:"Arial",sans-serif">90272 close(4) = \
0<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-size:10.0pt;font-family:"Arial",sans-serif">90272 write(1, \
"* ERROR: Download failed (77)", 30) = 30<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" \
style="font-size:10.0pt;font-family:"Arial",sans-serif">90272 write(1, \
"* ERROR: Message: Problem with the SSL CA cert (path? access rights?)\n", \
71) = 71<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" \
style="font-size:10.0pt;font-family:"Arial",sans-serif">That path is \
apparently hardcoded in the custom binary we use:<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" \
style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" \
style="font-size:10.0pt;font-family:"Arial",sans-serif">mail: # strings \
cgpclamav | grep ca bundle<o:p></o:p></span></p> <p class="MsoNormal"><span \
lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif">/etc/pki/tls/certs/ca-bundle.crt<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" \
style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" \
style="font-size:10.0pt;font-family:"Arial",sans-serif">As far as I can see \
that is the path used on RHEL (and derivatives like CentOS). Since I didn't find a \
location to overwrite that path, I made a symlink from \
/etc/pki/tls/certs/ca-bundle.crt to /etc/ssl/certs/ca-certificates.crt, where the \
certificates on Debian are located (provided there by the ca-certificates \
package).<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" \
style="font-size:10.0pt;font-family:"Arial",sans-serif">Now the database \
updates work again.<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" \
style="font-size:10.0pt;font-family:"Arial",sans-serif">Thanks for point me \
in the right direction!<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" \
style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" \
style="font-size:10.0pt;font-family:"Arial",sans-serif">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" \
style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" \
style="font-size:10.0pt;font-family:"Arial",sans-serif">Jona<o:p></o:p></span></p>
<p class="MsoNormal"><span \
style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><a href="http://www.tnt.be/" target="_blank"><span lang="EN-US" \
style="font-size:9.0pt;font-family:"-webkit-standard",serif;color:blue;text-decoration:none"><img \
border="0" width="135" height="147" style="width:1.4062in;height:1.5312in" \
id="_x0000_i1025" src="http://www.tnt.be/static/emailsig/img/tallieu-tallieu-signature.png"></span></a><span \
lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></p>
</div>
<p class="MsoNormal"><span \
style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span \
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<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal" style="margin-left:36.0pt"><b><span \
style="font-size:12.0pt;color:black">From: </span></b><span \
style="font-size:12.0pt;color:black">clamav-users \
<clamav-users-bounces@lists.clamav.net> on behalf of "Micah Snyder \
(micasnyd) via clamav-users" <clamav-users@lists.clamav.net><br> \
<b>Reply-To: </b>ClamAV users ML <clamav-users@lists.clamav.net><br> <b>Date: \
</b>Tuesday, 17 August 2021 at 18:07<br> <b>To: </b>ClamAV users ML \
<clamav-users@lists.clamav.net><br> <b>Cc: </b>"Micah Snyder \
(micasnyd)" <micasnyd@cisco.com><br> <b>Subject: </b>Re: [clamav-users] \
database updates blocked<br> <b>Resent-From: </b><jona@mail.tnt.be><br>
<b>Resent-Date: </b>Tuesday, 17 August 2021 at 18:07<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><span \
style="font-size:12.0pt;color:black">If you're running into the CA cert problem with \
FreshClam because your CA certificate bundle is in a non-standard place, you can also \
set the CURL_CA_BUNDLE environment to point to the file holding one or more \
certificates. FreshClam and ClamSubmit will check that environment variable and \
use it instead of the default openssl CA path. <o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><span \
style="font-size:12.0pt;color:black"><o:p> </o:p></span></p> </div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><span \
style="font-size:12.0pt;color:black">My apologies that this isn't in the \
documentation (yet). I will add it today. <a \
href="https://github.com/Cisco-Talos/clamav/issues/175">https://github.com/Cisco-Talos/clamav/issues/175</a><o:p></o:p></span></p>
</div>
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