Vulnerabilities
Misconfiguration
Runtime Security
Compliance
CVE Vulnerabilities

CVE-2021-23192

Published: Mar 02, 2022 | Modified: Sep 17, 2023
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N
RedHat/V2
RedHat/V3
4.8 MODERATE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Ubuntu
MEDIUM
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2021-23192
CWEhttps://cwe.mitre.org/data/definitions/.html

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.

Affected Software

Name Vendor Start Version End Version
Samba Samba 4.10.0 (including) 4.13.14 (excluding)
Samba Samba 4.14.0 (including) 4.14.10 (excluding)
Samba Samba 4.15.0 (including) 4.15.2 (excluding)
Red Hat Enterprise Linux 8 RedHat samba-0:4.14.5-7.el8_5 *
Red Hat Enterprise Linux 8 RedHat samba-0:4.14.5-7.el8_5 *
Red Hat Enterprise Linux 8.4 Extended Update Support RedHat samba-0:4.13.3-8.el8_4 *
Red Hat Gluster Storage 3.5 for RHEL 8 RedHat samba-0:4.14.5-204.el8rhgs *
Samba Ubuntu devel *
Samba Ubuntu focal *
Samba Ubuntu hirsute *
Samba Ubuntu impish *
Samba Ubuntu jammy *
Samba Ubuntu upstream *

References

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