Vulnerability Report

CVE-2021-23192

Title: Samba Improper Input Validation

Improper Input Validation

Proof Of Concept

No public PoC currently indexed for CVE-2021-23192.

CWE Category CWE-20

Published Date Mar 02, 2022

Modified Date Nov 21, 2024

Exploit Status Not Found

Score 7.5 CVSS v3.1

Exploit Probability (EPSS)

1.95%

Vulnerability Summary

CVE-2021-23192: 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.

Impacted Vendors

samba 1

sgi 1

Reference Links

https://bugzilla.redhat.com/show_bug.cgi?id=2019666 https://security.gentoo.org/glsa/202309-06 https://ubuntu.com/security/CVE-2021-23192 https://www.samba.org/samba/security/CVE-2021-23192.html https://bugzilla.redhat.com/show_bug.cgi?id=2019666 https://security.gentoo.org/glsa/202309-06 https://ubuntu.com/security/CVE-2021-23192 https://www.samba.org/samba/security/CVE-2021-23192.html

CVSS v3.1

Source Entity [email protected]

Severity HIGH

7.5

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:N/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-23192 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

March 02, 2022 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Stack

No specific products linked.