CVE-2020-25718
First published: Wed Nov 03 2021(Updated: )
A flaw was found in the way samba, as an Active Directory Domain Controller, is able to support an RODC (read-only domain controller). This would allow an RODC to print administrator tickets.
Credit: secalert@redhat.com secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Samba Samba | >=4.0.0<4.13.14 | |
| Samba Samba | >=4.14.0<4.14.10 | |
| Samba Samba | >=4.15.0<4.15.2 | |
| Fedoraproject Fedora | =35 | |
| redhat/samba | <4.15.2 | 4.15.2 |
| redhat/samba | <4.14.10 | 4.14.10 |
| redhat/samba | <4.13.14 | 4.13.14 |
| ubuntu/samba | <2:4.13.14+dfsg-0ubuntu0.20.04.1 | 2:4.13.14+dfsg-0ubuntu0.20.04.1 |
| ubuntu/samba | <2:4.13.14+dfsg-0ubuntu0.21.04.1 | 2:4.13.14+dfsg-0ubuntu0.21.04.1 |
| ubuntu/samba | <2:4.13.14+dfsg-0ubuntu0.21.10.1 | 2:4.13.14+dfsg-0ubuntu0.21.10.1 |
| ubuntu/samba | <2:4.13.14+dfsg-0ubuntu1 | 2:4.13.14+dfsg-0ubuntu1 |
| ubuntu/samba | <2:4.13.14+dfsg-0ubuntu1 | 2:4.13.14+dfsg-0ubuntu1 |
| ubuntu/samba | <2:4.13.14+dfsg-0ubuntu1 | 2:4.13.14+dfsg-0ubuntu1 |
| ubuntu/samba | <4.13.14 | 4.13.14 |
| debian/samba | <=2:4.9.5+dfsg-5+deb10u3<=2:4.9.5+dfsg-5+deb10u5 | 2:4.13.13+dfsg-1~deb11u5 2:4.13.13+dfsg-1~deb11u6 2:4.17.12+dfsg-0+deb12u1 2:4.19.6+dfsg-1 2:4.19.6+dfsg-3 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=2019726
- https://security.gentoo.org/glsa/202309-06
- https://www.samba.org/samba/security/CVE-2020-25718.html
- https://www.cve.org/CVERecord?id=CVE-2020-25718 https://nvd.nist.gov/vuln/detail/CVE-2020-25718 https://www.samba.org/samba/security/CVE-2020-25718.html
- https://access.redhat.com/security/cve/cve-2020-25718
- https://launchpad.net/bugs/cve/CVE-2020-25718
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2021718
- https://bugzilla.samba.org/show_bug.cgi?id=14558
- https://bugzilla.samba.org/show_bug.cgi?id=14725
- https://security-tracker.debian.org/tracker/CVE-2020-25718
- https://www.samba.org/samba/history/samba-4.13.14.html
- https://ubuntu.com/security/notices/USN-5142-1
- https://www.cve.org/CVERecord?id=CVE-2020-25718
- https://nvd.nist.gov/vuln/detail/CVE-2020-25718
- https://ubuntu.com/security/CVE-2020-25718
Frequently Asked Questions
What is CVE-2020-25718?
CVE-2020-25718 is a vulnerability found in Samba, which allows an RODC (read-only domain controller) to print administrator tickets.
What is the severity of CVE-2020-25718?
The severity of CVE-2020-25718 is high with a CVSS score of 8.8.
Which software is affected by CVE-2020-25718?
Samba versions 4.0.0 to 4.13.14 and 4.14.0 to 4.14.10, as well as Fedora 35, are affected by CVE-2020-25718.
How do I fix CVE-2020-25718?
To fix CVE-2020-25718, update your Samba software to version 4.13.14, 4.14.10, or 4.15.2.
Where can I find more information about CVE-2020-25718?
You can find more information about CVE-2020-25718 on the Red Hat Bugzilla, Gentoo GLSA, and Samba websites.
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