CVE-2020-10745
HIGH severity · CVSS 7.5 · Uncontrolled resource consumption
7.5CVSS HIGH
Summary
A flaw was found in all Samba versions before 4.10.17, before 4.11.11 and before 4.12.4 in the way it processed NetBios over TCP/IP. This flaw allows a remote attacker could to cause the Samba server to consume excessive CPU use, resulting in a denial of service. This highest threat from this vulnerability is to system availability.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)4%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://www.samba.org/samba/security/CVE-2020-10745.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00030.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.htmlAdvisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1849491%3B
- https://lists.debian.org/debian-lts-announce/2020/11/msg00041.htmlAdvisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YLNQ5GRXUKYRUAOFZ4DUBVN4SMTL6Q2/
- https://security.gentoo.org/glsa/202007-15Advisory