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=========================================================================
Date: Thu, 28 Jan 2021 08:06:46 +0100
Reply-To: =?UTF-8?Q?G=c3=b6tz_Waschk?= <[log in to unmask]>
Sender: Mailing list for Scientific Linux users worldwide
<[log in to unmask]>
From: =?UTF-8?Q?G=c3=b6tz_Waschk?= <[log in to unmask]>
Subject: Re: sudo fix for SL6
In-Reply-To: <[log in to unmask]>
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--------------ms020608070709040102070909
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Am 28.01.21 um 00:02 schrieb Konstantin Olchanski:
> sudo is broken, CVE-2021-3156. Fixed packages are out for el7, el8, ubu=
ntu.
>=20
> There is a fixed package for RHEL6, sudo-1.8.6p3-29.el6_10.4.x86_64.rpm=
, see
> https://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__access.redhat.co=
m_errata_RHSA-2D2021-3A0227&d=3DDwIBAg&c=3DgRgGjJ3BkIsb5y6s49QqsA&r=3Dgd8=
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VLXkC2ogupA&e=3D=20
>=20
> Now, any chance of fixed package for SL6? (just checked, no fix in CERN=
SLC6, no fix in EPEL).
Dear Konstantin,
indeed there is a fixed package, it is part of TUV' Extended Life-Cycle
Support Add-On, they provide selected security updates for critical and
important security fixes to paying customers. These packages are not
generally available to the public and not rebuilt by SL. However, you
might get it from Oracle in the future, watch this page:
https://yum.oracle.com/whatsnew.html
Regards,
G=C3=B6tz
--=20
G=C3=B6tz Waschk =C2=B0 Phone: +49 33762 7716=
9
Deutsches Elektronen-Synchrotron DESY =C2=B0 Fax: +49 33762 77216
Platanenallee 6 =C2=B0 E-Mail: [log in to unmask]
e
15738 Zeuthen Germany
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--------------ms020608070709040102070909--
=========================================================================
Date: Thu, 28 Jan 2021 11:28:04 +0000
Reply-To: Rhys Morris <[log in to unmask]>
Sender: Mailing list for Scientific Linux users worldwide
<[log in to unmask]>
From: Rhys Morris <[log in to unmask]>
Subject: Re: sudo fix for SL6
Content-Type: multipart/alternative;
boundary="_000_DB7PR06MB574982E8D02C9455073DF7B9DFBA9DB7PR06MB5749eurp_"
MIME-Version: 1.0
Message-ID: <[log in to unmask]>
--_000_DB7PR06MB574982E8D02C9455073DF7B9DFBA9DB7PR06MB5749eurp_
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From the Centos list:
Wed 27/01/2021 13:20
From Anton
=EF=BF=BCTo: [log in to unmask]
Centos-6 compatible packages are available from the official sudo
webpage. It's a later version of sudo and I'm not sure if that will
cause problems. I've tried installing it and so-far so-good.
https://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__www.sudo.ws_download=
.html&d=3DDwIGaQ&c=3DgRgGjJ3BkIsb5y6s49QqsA&r=3Dgd8BzeSQcySVxr0gDWSEbN-P-pg=
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gVS3Dwo2ec&s=3Df8ncxn_x8nNK-vZ5uqfNS-VwrQaFRmW37iYXZwDIpYE&e=3D=20
# End quote.
It has worked on the small number of SL6 systems I have.
Rhys
--_000_DB7PR06MB574982E8D02C9455073DF7B9DFBA9DB7PR06MB5749eurp_
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<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dutf-8">
<style type=3D"text/css" style=3D"display:none;"> P {margin-top:0;margin-bo=
ttom:0;} </style>
</head>
<body dir=3D"ltr">
<div style=3D"font-family: Calibri, Arial, Helvetica, sans-serif; font-size=
: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">
From the Centos list:</div>
<div style=3D"font-family: Calibri, Arial, Helvetica, sans-serif; font-size=
: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">
<br>
</div>
<div>
<div>
<div>Wed 27/01/2021 13:20</div>
<div>From Anton</div>
<div>=EF=BF=BC<span style=3D"">To: [log in to unmask]</span></div>
<div>Centos-6 compatible packages are available from the official sudo</div>
<div>webpage. It's a later version of sudo and I'm not sure if that will</d=
iv>
<div>cause problems. I've tried installing it and so-far so-good.</div>
<div><br>
</div>
<div><a href=3D"https://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__www.=
sudo.ws_download.html&d=3DDwQGaQ&c=3DgRgGjJ3BkIsb5y6s49QqsA&r=
=3Dgd8BzeSQcySVxr0gDWSEbN-P-pgDXkdyCtaMqdCgPPdW1cyL5RIpaIYrCn8C5x2A&m=
=3D4gViHxlwEReiAMmwLMsOU_aWN247JhtKzgVS3Dwo2ec&s=3Df8ncxn_x8nNK-vZ5uqfN=
S-VwrQaFRmW37iYXZwDIpYE&e=3D">https://www.sudo.ws/download.html</a></di=
v>
</div>
<div class=3D"BodyFragment"><font size=3D"2"><span style=3D"font-size:11pt;=
">
<div class=3D"PlainText"><br>
</div>
<div class=3D"PlainText"># End quote.</div>
<div class=3D"PlainText"><br>
It has worked on the small number of SL6 systems I have.</div>
<div class=3D"PlainText">Rhys</div>
<div class=3D"PlainText"><br>
</div>
</span></font></div>
</div>
</body>
</html>
--_000_DB7PR06MB574982E8D02C9455073DF7B9DFBA9DB7PR06MB5749eurp_--
=========================================================================
Date: Fri, 29 Jan 2021 00:25:13 +0900
Reply-To: Takashi Ichihara <[log in to unmask]>
Sender: Mailing list for Scientific Linux users worldwide
<[log in to unmask]>
From: Takashi Ichihara <[log in to unmask]>
Subject: Re: sudo fix for SL6
Comments: To: Rhys Morris <[log in to unmask]>
Comments: cc: [log in to unmask]
In-Reply-To: <[log in to unmask]>
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: Quoted-printable
MIME-Version: 1.0
Message-ID: <[log in to unmask]>
On 2021/01/28 20:28, Rhys Morris wrote:
> From the Centos list:
>=20
> Wed 27/01/2021 13:20
> From Anton
> =EF=BF=BCTo: [log in to unmask]
> Centos-6 compatible packages are available from the official sudo
> webpage. It's a later version of sudo and I'm not sure if that will
> cause problems. I've tried installing it and so-far so-good.
>=20
> https://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__www.sudo.ws_downlo=
ad.html&d=3DDwIDaQ&c=3DgRgGjJ3BkIsb5y6s49QqsA&r=3Dgd8BzeSQcySVxr0gDWSEbN-P-=
pgDXkdyCtaMqdCgPPdW1cyL5RIpaIYrCn8C5x2A&m=3D1KCKn2o4gZUvJuDep3ajmawKgxSm_dI=
Sms87dkew6GE&s=3Dtk71l4MpRM-T-T_p4rfMyhUHTIexkb28F95CumVf9F4&e=3D <https:/=
/urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__www.sudo.ws_download.html&d=
=3DDwQGaQ&c=3DgRgGjJ3BkIsb5y6s49QqsA&r=3Dgd8BzeSQcySVxr0gDWSEbN-P-pgDXkdyCt=
aMqdCgPPdW1cyL5RIpaIYrCn8C5x2A&m=3D4gViHxlwEReiAMmwLMsOU_aWN247JhtKzgVS3Dwo=
2ec&s=3Df8ncxn_x8nNK-vZ5uqfNS-VwrQaFRmW37iYXZwDIpYE&e=3D>
>=20
> # End quote.
>=20
> It has worked on the small number of SL6 systems I have.
> Rhys
>=20
Rhys,
Thank you for the information. It works also fine for us (Scientific Linux =
release 6.10 (Carbon))
=EF=BC=88Before)
[SL6]$ cat /etc/redhat-release
Scientific Linux release 6.10 (Carbon)
[SL6]$ sudo -V
Sudo version 1.8.6p3
Sudoers policy plugin version 1.8.6p3
Sudoers file grammar version 42
Sudoers I/O plugin version 1.8.6p3
[SL6]$ sudoedit -s /
[sudo] password for testuser:
testuser is not in the sudoers file. This incident will be reported.
[SL6]$
(Update)
Visit Download Sudo site
https://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__www.sudo.ws_download=
.html&d=3DDwIDaQ&c=3DgRgGjJ3BkIsb5y6s49QqsA&r=3Dgd8BzeSQcySVxr0gDWSEbN-P-pg=
DXkdyCtaMqdCgPPdW1cyL5RIpaIYrCn8C5x2A&m=3D1KCKn2o4gZUvJuDep3ajmawKgxSm_dISm=
s87dkew6GE&s=3Dtk71l4MpRM-T-T_p4rfMyhUHTIexkb28F95CumVf9F4&e=3D=20
Download sudo-1.9.5-3.el6.x86_64.rpm in RHEL/CentOS/Oracle 6 entry
[SL6]# wget https://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__github.c=
om_sudo-2Dproject_sudo_releases_download_SUDO-5F1-5F9-5F5p2_sudo-2D1.9.5-2D=
3.el6.x86-5F64.rpm&d=3DDwIDaQ&c=3DgRgGjJ3BkIsb5y6s49QqsA&r=3Dgd8BzeSQcySVxr=
0gDWSEbN-P-pgDXkdyCtaMqdCgPPdW1cyL5RIpaIYrCn8C5x2A&m=3D1KCKn2o4gZUvJuDep3aj=
mawKgxSm_dISms87dkew6GE&s=3DpOk1Al6fWzGkWVhRuNugqP3lACLfzydyGJJzfCqobvc&e=
=3D=20
check sha256sum
[SL6]# sha256sum sudo-1.9.5-3.el6.x86_64.rpm
d4e667cb23c734cd75e9f1e5c4669034c24e6e6ccd98d3f82c3bc08bb6141a1e sudo-1.9.=
5-3.el6.x86_64.rpm
[SL6]#
update sudo
[SL6]]# rpm -Fvh sudo-1.9.5-3.el6.x86_64.rpm
Preparing... ########################################### [10=
0%]
1:sudo ########################################### [1=
00%]
[SL6]#
(After)
[SL6]$ sudoedit -s /
usage: sudoedit [-AknS] [-r role] [-t type] [-C num] [-D directory] [-g gro=
up] [-h host] [-p prompt]
[-R directory] [-T timeout] [-u user] file ...
[SL6]$
Takashi Ichihara (RIKEN)
=========================================================================
Date: Thu, 28 Jan 2021 19:55:51 +0100
Reply-To: greg <[log in to unmask]>
Sender: Mailing list for Scientific Linux users worldwide
<[log in to unmask]>
From: greg <[log in to unmask]>
Subject: Re: sudo fix for SL6
Comments: To: Takashi Ichihara
<[log in to unmask]>
Comments: cc: Rhys Morris <[log in to unmask]>, [log in to unmask]
In-Reply-To: <[log in to unmask]>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: Quoted-printable
MIME-Version: 1.0
Message-ID: <[log in to unmask]>
> (After)
>
> [SL6]$ sudoedit -s /
> usage: sudoedit [-AknS] [-r role] [-t type] [-C num] [-D directory] [-g g=
roup] [-h host] [-p prompt]
> [-R directory] [-T timeout] [-u user] file ...
FWIW, according to https://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__w=
ww.sudo.ws_alerts_unescape-5Foverflow.html&d=3DDwIBaQ&c=3DgRgGjJ3BkIsb5y6s4=
9QqsA&r=3Dgd8BzeSQcySVxr0gDWSEbN-P-pgDXkdyCtaMqdCgPPdW1cyL5RIpaIYrCn8C5x2A&=
m=3DTaT111xbxZ7oc5VRNRTuLu4jfaLBZn7aCgUnum5bEz0&s=3DxCa68GMuTIFuggB_VDuJXJF=
SoqBv3sktWrByWWwRmm0&e=3D=20
the test is
sudoedit -s '\' `perl -e 'print "A" x 65536'`
greg
=========================================================================
Date: Fri, 29 Jan 2021 23:09:29 +0900
Reply-To: Takashi Ichihara <[log in to unmask]>
Sender: Mailing list for Scientific Linux users worldwide
<[log in to unmask]>
From: Takashi Ichihara <[log in to unmask]>
Subject: Re: sudo fix for SL6
Comments: To: greg <[log in to unmask]>,
Takashi Ichihara <[log in to unmask]>
Comments: cc: [log in to unmask], Rhys Morris <[log in to unmask]>
In-Reply-To: <[log in to unmask]>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: 7bit
Message-ID: <[log in to unmask]>
On 2021/01/29 3:55, greg wrote:
>> (After)
>>
>> [SL6]$ sudoedit -s /
>> usage: sudoedit [-AknS] [-r role] [-t type] [-C num] [-D directory] [-g group] [-h host] [-p prompt]
>> [-R directory] [-T timeout] [-u user] file ...
>
> FWIW, according to https://urldefense.proofpoint.com/v2/url?u=https-3A__www.sudo.ws_alerts_unescape-5Foverflow.html&d=DwIBaQ&c=gRgGjJ3BkIsb5y6s49QqsA&r=gd8BzeSQcySVxr0gDWSEbN-P-pgDXkdyCtaMqdCgPPdW1cyL5RIpaIYrCn8C5x2A&m=TaT111xbxZ7oc5VRNRTuLu4jfaLBZn7aCgUnum5bEz0&s=xCa68GMuTIFuggB_VDuJXJFSoqBv3sktWrByWWwRmm0&e=
> the test is
>
> sudoedit -s '\' `perl -e 'print "A" x 65536'`
>
> greg
>
Thanks for the information. The correction is as follows:
SL6 before>$ sudoedit -s '\' `perl -e 'print "A" x 65536'`
Segmentation fault
SL6 before>$
SL6 after>$ sudoedit -s '\' `perl -e 'print "A" x 65536'`
usage: sudoedit [-AknS] [-r role] [-t type] [-C num] [-D directory] [-g group]
[-h host] [-p prompt] [-R directory] [-T timeout] [-u user]
file ...
SL6 after>$
Takashi
=========================================================================
Date: Fri, 29 Jan 2021 12:10:30 -0800
Reply-To: Konstantin Olchanski <[log in to unmask]>
Sender: Mailing list for Scientific Linux users worldwide
<[log in to unmask]>
From: Konstantin Olchanski <[log in to unmask]>
Subject: Re: sudo fix for SL6
Comments: To: Rhys Morris <[log in to unmask]>
In-Reply-To: <[log in to unmask]>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Message-ID: <[log in to unmask]>
On Thu, Jan 28, 2021 at 11:28:04AM +0000, Rhys Morris wrote:
> ... from the official sudo webpage
Ok, looks like this is it. from sudo.sw, version 1.9.5p2 fixes CVE-2021-3156,
download the el6 rpm file, install, looks okey. both 64-bit and 32-bit RPMs are available.
[root@ladd00 ~]# rpm --upgrade -vh /daq/daqstore/olchansk/linux/SL/sudo-1.9.5-3.el6.x86_64.rpm
[root@ladd00 ~]# sudo -V
Sudo version 1.9.5p2
--
Konstantin Olchanski
Data Acquisition Systems: The Bytes Must Flow!
Email: olchansk-at-triumf-dot-ca
Snail mail: 4004 Wesbrook Mall, TRIUMF, Vancouver, B.C., V6T 2A3, Canada