CVE-2020-10745

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Source
https://cve.org/CVERecord?id=CVE-2020-10745
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-10745.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-10745
Downstream
Related
Published
2020-07-07T14:15:11.007Z
Modified
2026-03-15T21:57:17.056730Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Git / github.com/samba-team/samba

Affected ranges

Type
GIT
Repo
https://github.com/samba-team/samba
Events
Introduced
df33344d8eb40221d60c99931690703a11d91bc2
Fixed
e88b0e44899ad462abef61d0082b10d9a4e2c9cb
Introduced
d60cf580825819f11de9e50ec4c4ce591d695ad9
Fixed
c9fa9874747bac838f60b320d201be2f6175ba8b
Introduced
21679048604ab7d74f70cc378e1dcaebbaa9d561
Fixed
6ecd05dfbc201c60346d2ae486663ae0dfc0c09c
Database specific 
{
    "versions": [
        {
            "introduced": "4.0.0"
        },
        {
            "fixed": "4.10.17"
        },
        {
            "introduced": "4.11.0"
        },
        {
            "fixed": "4.11.11"
        },
        {
            "introduced": "4.12.0"
        },
        {
            "fixed": "4.12.4"
        }
    ]
}

Affected versions

ldb-2.*
ldb-2.0.10
ldb-2.0.11
ldb-2.0.12
ldb-2.0.8
ldb-2.0.9
ldb-2.1.2
ldb-2.1.3
ldb-2.1.4
samba-4.*
samba-4.11.0
samba-4.11.1
samba-4.11.10
samba-4.11.2
samba-4.11.3
samba-4.11.4
samba-4.11.5
samba-4.11.6
samba-4.11.7
samba-4.11.8
samba-4.11.9
samba-4.12.0
samba-4.12.1
samba-4.12.2
samba-4.12.3

Database specific

unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "31"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "15.1"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "15.2"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "9.0"
            }
        ]
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-10745.json"