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TalosCVE-2017-2893

HistoryNov 07, 2017 - 4:29 p.m.

CVE-2017-2893

2017-11-0716:29:00

CWE-476

talos

web.nvd.nist.gov

nvd

cve-2017-2893

mqtt

packet parsing

cesanta mongoose 6.8

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7.2

Confidence

High

EPSS

0.217

Percentile

96.5%

JSON

An exploitable NULL pointer dereference vulnerability exists in the MQTT packet parsing functionality of Cesanta Mongoose 6.8. An MQTT SUBSCRIBE packet can cause a NULL pointer dereference leading to server crash and denial of service. An attacker needs to send a specially crafted MQTT packet over the network to trigger this vulnerability.

Affected configurations

Nvd

Vulners

Node

cesantamongooseMatch6.8

VendorProductVersionCPE
cesantamongoose6.8cpe:2.3:a:cesanta:mongoose:6.8:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
cesanta	mongoose	6.8	cpe:2.3:a:cesanta:mongoose:6.8:::::::*

CNA Affected

[
  {
    "product": "Mongoose",
    "vendor": "Cesanta",
    "versions": [
      {
        "status": "affected",
        "version": "6.8"
      }
    ]
  }
]