Vulnerability Description
A flaw was found when using samba as an Active Directory Domain Controller. Due to the way samba handles certain requests as an Active Directory Domain Controller LDAP server, an unauthorized user can cause a stack overflow leading to a denial of service. The highest threat from this vulnerability is to system availability. This issue affects all samba versions before 4.10.15, before 4.11.8 and before 4.12.2.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Samba | Samba | >= 4.0.0, < 4.10.15 |
| Fedoraproject | Fedora | 30 |
| Opensuse | Leap | 15.2 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.htmlMailing ListThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10704Issue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/11/msg00041.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202007-15Third Party Advisory
- https://www.samba.org/samba/security/CVE-2020-10704.htmlVendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.htmlMailing ListThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10704Issue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/11/msg00041.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202007-15Third Party Advisory
FAQ
What is CVE-2020-10704?
CVE-2020-10704 is a vulnerability with a CVSS score of 7.5 (HIGH). A flaw was found when using samba as an Active Directory Domain Controller. Due to the way samba handles certain requests as an Active Directory Domain Controller LDAP server, an unauthorized user can...
How severe is CVE-2020-10704?
CVE-2020-10704 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-10704?
Check the references section above for vendor advisories and patch information. Affected products include: Samba Samba, Fedoraproject Fedora, Opensuse Leap, Debian Debian Linux.