CVE-2020-25722
First published: Wed Nov 03 2021(Updated: )
Multiple flaws were found in the way samba AD DC implemented access and conformance checking of stored data. An attacker could use this flaw to cause total domain compromise.
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 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 | |
| Fedoraproject Fedora | =33 | |
| Fedoraproject Fedora | =34 | |
| Fedoraproject Fedora | =35 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =20.04 | |
| Canonical Ubuntu Linux | =21.04 | |
| Canonical Ubuntu Linux | =21.10 | |
| 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 | <2:4.7.6+dfsg~ubuntu-0ubuntu2.26 | 2:4.7.6+dfsg~ubuntu-0ubuntu2.26 |
| 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 | <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=2019764
- https://security.gentoo.org/glsa/202309-06
- https://www.samba.org/samba/security/CVE-2020-25722.html
- https://launchpad.net/bugs/cve/CVE-2020-25722
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2021721
- https://access.redhat.com/security/cve/cve-2020-25722
- https://bugzilla.samba.org/show_bug.cgi?id=14564
- https://bugzilla.samba.org/show_bug.cgi?id=14725
- https://security-tracker.debian.org/tracker/CVE-2020-25722
- https://www.samba.org/samba/history/samba-4.13.14.html
- https://ubuntu.com/security/notices/USN-5142-1
- https://ubuntu.com/security/notices/USN-5174-1
- https://www.cve.org/CVERecord?id=CVE-2020-25722
- https://nvd.nist.gov/vuln/detail/CVE-2020-25722
- https://ubuntu.com/security/CVE-2020-25722
Frequently Asked Questions
What is CVE-2020-25722?
CVE-2020-25722 is a vulnerability found in Samba AD DC that allows an attacker to cause total domain compromise.
What is the severity of CVE-2020-25722?
The severity of CVE-2020-25722 is high with a score of 8.8.
Which software versions are affected by CVE-2020-25722?
Samba versions from 4.0.0 to 4.13.14, as well as versions 4.14.0 to 4.14.10 and 4.15.0 to 4.15.2 are affected by CVE-2020-25722.
How can I fix CVE-2020-25722?
To fix CVE-2020-25722, update Samba to version 4.15.2, 4.14.10, or 4.13.14, depending on your distribution.
Where can I find more information about CVE-2020-25722?
You can find more information about CVE-2020-25722 on Bugzilla, Security Gentoo, and the official Samba website.
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