CVE-2020-10745
Vulnerability Summary
Timeline
Description
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.
CVSS Metrics
- v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- v2.0•HIGH•Score: 7.8AV:N/AC:L/Au:N/C:N/I:N/A:C
EPSS Trends
Current EPSS score: 3.87%• Percentile: 90%
Techniques & Countermeasures
- CWE-400•Uncontrolled Resource Consumption
The product does not properly control the allocation and maintenance of a limited resource.
Affected Systems
- alpine•samba
≥ 4.0.0, < 4.10.17-r0 | ≥ 4.0.0, < 4.11.14-r0 | ≥ 4.0.0, < 4.12.5-r0 | ≥ 4.0.0, < 4.12.5-r0 | ≥ 4.0.0, < 4.12.5-r0 | ≥ 4.0.0, < 4.12.5-r0 | ≥ 4.0.0, < 4.12.5-r0 | ≥ 4.0.0, < 4.12.5-r0 | ≥ 4.0.0, < 4.12.5-r0 | ≥ 4.0.0, < 4.12.5-r0 | ≥ 4.0.0, < 4.12.5-r0 | ≥ 4.0.0, < 4.12.5-r0 | ≥ 4.0.0, < 4.12.5-r0 | ≥ 4.0.0, < 4.12.5-r0 | ≥ 4.0.0, < 4.12.5-r0
- debian•samba
< 2:4.12.5+dfsg-1 | < 2:4.12.5+dfsg-1 | < 2:4.12.5+dfsg-1 | < 2:4.12.5+dfsg-1
- debian•debian_linux
9.0
- fedoraproject•fedora
31
- opensuse•leap
15.1 | 15.2
- samba•samba
≥ 4.0.0, < 4.10.17 | ≥ 4.11.0, < 4.11.11 | ≥ 4.12.0, < 4.12.4
References (10)
- https://bugzilla.redhat.com/show_bug.cgi?id=1849491%3B
- https://www.samba.org/samba/security/CVE-2020-10745.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YLNQ5GRXUKYRUAOFZ4DUBVN4SMTL6Q2/
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00030.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.html
- https://security.gentoo.org/glsa/202007-15
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.html
- https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html
- https://security.alpinelinux.org/vuln/CVE-2020-10745
- https://security-tracker.debian.org/tracker/CVE-2020-10745