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CertccCVELIST:CVE-2018-5399

HistoryOct 08, 2018 - 3:00 p.m.

CVE-2018-5399 The Auto-Maskin DCU 210E firmware contains an undocumented Dropbear SSH server, v2015.55, configured to listen on Port 22 while the DCU is running and is configured with a hard-coded credentials

2018-10-0815:00:00

CWE-798

certcc

www.cve.org

CVSS3

9.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H

AI Score

9.7

Confidence

High

EPSS

0.002

Percentile

53.7%

JSON

The Auto-Maskin DCU 210E firmware contains an undocumented Dropbear SSH server, v2015.55, configured to listen on Port 22 while the DCU is running. The Dropbear server is configured with a hard-coded user name and password combination of root / amroot. The server is configured to use password only authentication not cryptographic keys, however the firmware image contains an RSA host-key for the server. An attacker can exploit this vulnerability to gain root access to the Angstrom Linux operating system and modify any binaries or configuration files in the firmware. Affected releases are Auto-Maskin DCU-210E RP-210E: Versions prior to 3.7 on ARMv7.

CNA Affected

[
  {
    "platforms": [
      "ARMv7"
    ],
    "product": "DCU-210E",
    "vendor": "Auto-Maskin",
    "versions": [
      {
        "lessThan": "3.7",
        "status": "affected",
        "version": "3.7",
        "versionType": "custom"
      }
    ]
  },
  {
    "platforms": [
      "ARMv7"
    ],
    "product": "RP-210E",
    "vendor": "Auto-Maskin",
    "versions": [
      {
        "lessThan": "3.7",
        "status": "affected",
        "version": "3.7",
        "versionType": "custom"
      }
    ]
  }
]

References

www.kb.cert.org/vuls/id/176301

www.us-cert.gov/ics/advisories/icsa-20-051-04

CVSS3

9.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H

AI Score

9.7

Confidence

High

EPSS

0.002

Percentile

53.7%

JSON

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