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Groups > linux.debian.bugs.dist > #1069214 > unrolled thread
| Started by | Salvatore Bonaccorso <carnil@debian.org> |
|---|---|
| First post | 2021-08-31 21:30 +0200 |
| Last post | 2021-09-01 10:10 +0200 |
| Articles | 2 — 2 participants |
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Bug#993398: neutron: CVE-2021-40085: Arbitrary dnsmasq reconfiguration via extra_dhcp_opts Salvatore Bonaccorso <carnil@debian.org> - 2021-08-31 21:30 +0200
Bug#993398: neutron: CVE-2021-40085: Arbitrary dnsmasq reconfiguration via extra_dhcp_opts Thomas Goirand <zigo@debian.org> - 2021-09-01 10:10 +0200
| From | Salvatore Bonaccorso <carnil@debian.org> |
|---|---|
| Date | 2021-08-31 21:30 +0200 |
| Subject | Bug#993398: neutron: CVE-2021-40085: Arbitrary dnsmasq reconfiguration via extra_dhcp_opts |
| Message-ID | <CShCh-7Ol-3@gated-at.bofh.it> |
Source: neutron
Version: 2:18.1.0-2
Severity: grave
Tags: security upstream
Justification: user security hole
Forwarded: https://launchpad.net/bugs/1939733
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>
Control: found -1 2:17.1.1-6
Hi,
The following vulnerability was published for neutron.
CVE-2021-40085[0]:
| An issue was discovered in OpenStack Neutron before 16.4.1, 17.x
| before 17.2.1, and 18.x before 18.1.1. Authenticated attackers can
| reconfigure dnsmasq via a crafted extra_dhcp_opts value.
If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.
For further information see:
[0] https://security-tracker.debian.org/tracker/CVE-2021-40085
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40085
[1] https://launchpad.net/bugs/1939733
[2] https://www.openwall.com/lists/oss-security/2021/08/31/2
Please adjust the affected versions in the BTS as needed.
Regards,
Salvatore
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| From | Thomas Goirand <zigo@debian.org> |
|---|---|
| Date | 2021-09-01 10:10 +0200 |
| Message-ID | <CSttL-7dc-3@gated-at.bofh.it> |
| In reply to | #1069214 |
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On 8/31/21 9:17 PM, Salvatore Bonaccorso wrote: > Source: neutron > Version: 2:18.1.0-2 > Severity: grave > Tags: security upstream > Justification: user security hole > Forwarded: https://launchpad.net/bugs/1939733 > X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org> > Control: found -1 2:17.1.1-6 > > Hi, > > The following vulnerability was published for neutron. > > CVE-2021-40085[0]: > | An issue was discovered in OpenStack Neutron before 16.4.1, 17.x > | before 17.2.1, and 18.x before 18.1.1. Authenticated attackers can > | reconfigure dnsmasq via a crafted extra_dhcp_opts value. > > > If you fix the vulnerability please also make sure to include the > CVE (Common Vulnerabilities & Exposures) id in your changelog entry. > > For further information see: > > [0] https://security-tracker.debian.org/tracker/CVE-2021-40085 > https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40085 > [1] https://launchpad.net/bugs/1939733 > [2] https://www.openwall.com/lists/oss-security/2021/08/31/2 > > Please adjust the affected versions in the BTS as needed. > > Regards, > Salvatore Dear Security team, Please find attached the debdiff to close this bug in Bullseye. Let me know if I can upload right away. I'm preparing updates for Unstable and Buster (the patch applies kind of cleanly in Buster as well, modulo a few tests). Cheers, Thomas Goirand (zigo)
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