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cveCiscoCVE-2017-12306
HistoryNov 16, 2017 - 7:29 a.m.

CVE-2017-12306

2017-11-1607:29:00
CWE-16
CWE-494
cisco
web.nvd.nist.gov
26
2
cisco
spark board
upgrade process
vulnerability
authenticated
local attacker
unverified upgrade package
signature verification bypass
custom firmware
cisco bug ids
cscvf84502
nvd

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

4.4

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

4.6

Confidence

High

EPSS

0

Percentile

5.1%

A vulnerability in the upgrade process of Cisco Spark Board could allow an authenticated, local attacker to install an unverified upgrade package, aka Signature Verification Bypass. The vulnerability is due to insufficient upgrade package validation. An attacker could exploit this vulnerability by providing the upgrade process with an upgrade package that the attacker controls. An exploit could allow the attacker to install custom firmware to the Spark Board. Cisco Bug IDs: CSCvf84502.

Affected configurations

Nvd
Node
ciscoconference_directorMatch2017-08-15
VendorProductVersionCPE
ciscoconference_director2017-08-15cpe:2.3:a:cisco:conference_director:2017-08-15:*:*:*:*:*:*:*

CNA Affected

[
  {
    "product": "Cisco Spark Board",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Cisco Spark Board"
      }
    ]
  }
]

Social References

More

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

4.4

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

4.6

Confidence

High

EPSS

0

Percentile

5.1%

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