CVE-2021-23192

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Source
https://cve.org/CVERecord?id=CVE-2021-23192
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-23192.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-23192
Downstream
Related
Published
2022-03-02T23:15:08.403Z
Modified
2026-03-13T22:44:14.704633Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS Calculator
Summary
[none]
Details

A flaw was found in the way samba implemented DCE/RPC. If a client to a Samba server sent a very large DCE/RPC request, and chose to fragment it, an attacker could replace later fragments with their own data, bypassing the signature requirements.

References

Affected packages

Git / github.com/samba-team/samba

Affected ranges

Type
GIT
Repo
https://github.com/samba-team/samba
Events
Introduced
25f2fe02a615e2cf906b6fa495acd8ea0aa9998a
Fixed
db11778b57610e24324aa4342f89918f66157d71
Introduced
9b49519cae3e967af9ea48dc5fcfb6c145e31db4
Fixed
9312b1832e5a808a63fc7f9e7d6e70348cc9eb86
Introduced
fc8342bd26d1c55ca5780b427f675f31147b27f9
Fixed
7d0c030d4233974c4b9463dad44efdb05e6186f1
Database specific 
{
    "versions": [
        {
            "introduced": "4.10.0"
        },
        {
            "fixed": "4.13.14"
        },
        {
            "introduced": "4.14.0"
        },
        {
            "fixed": "4.14.10"
        },
        {
            "introduced": "4.15.0"
        },
        {
            "fixed": "4.15.2"
        }
    ]
}

Affected versions

ldb-2.*
ldb-2.3.0
ldb-2.3.1
ldb-2.3.2
ldb-2.4.1
samba-4.*
samba-4.14.0
samba-4.14.1
samba-4.14.2
samba-4.14.3
samba-4.14.4
samba-4.14.5
samba-4.14.6
samba-4.14.7
samba-4.14.8
samba-4.14.9
samba-4.15.0
samba-4.15.1

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-23192.json"