Vulnerability Monitor

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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.

Published

2022-03-02T23:15:08.403

Last Modified

2024-11-21T05:51:21.080

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Secondary
CWE-20
Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	samba	samba	< 4.13.14	Yes
Application	samba	samba	< 4.14.10	Yes
Application	samba	samba	< 4.15.2	Yes

References

https://bugzilla.redhat.com/show_bug.cgi?id=2019666 Issue Tracking, Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/202309-06 ([email protected])
https://ubuntu.com/security/CVE-2021-23192 Third Party Advisory ([email protected])
https://www.samba.org/samba/security/CVE-2021-23192.html Patch, Vendor Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=2019666 Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202309-06 (af854a3a-2127-422b-91ae-364da2661108)
https://ubuntu.com/security/CVE-2021-23192 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.samba.org/samba/security/CVE-2021-23192.html Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)