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RedhatCVE-2021-23192

HistoryMar 02, 2022 - 11:15 p.m.

CVE-2021-23192

2022-03-0223:15:08

CWE-20

redhat

web.nvd.nist.gov

298

samba

dce

rpc

cve-2021-23192

nvd

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

7.7

Confidence

High

EPSS

0.001

Percentile

46.1%

JSON

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 configurations

Nvd

Vulners

Node

sambasambaRange4.10.0–4.13.14

sambasambaRange4.14.0–4.14.10

sambasambaRange4.15.0–4.15.2

VendorProductVersionCPE
sambasamba*cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
samba	samba	*	cpe:2.3:a:samba:samba::::::::

CNA Affected

[
  {
    "vendor": "n/a",
    "product": "samba",
    "versions": [
      {
        "version": "Affects samba v4.10.0 to 4.15.1, Fixed in samba v4.15.2, v4.14.10 and v4.13.14.",
        "status": "affected"
      }
    ]
  }
]