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MitreCVE-2017-9483

HistoryJul 31, 2017 - 3:29 a.m.

CVE-2017-9483

2017-07-3103:29:00

CWE-78

mitre

web.nvd.nist.gov

comcast

cisco

dpc3939

firmware

np linux

root access

shell metacharacters

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.2

Confidence

High

EPSS

0.008

Percentile

82.2%

JSON

The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) devices allows Network Processor (NP) Linux users to obtain root access to the Application Processor (AP) Linux system via shell metacharacters in commands.

Affected configurations

Nvd

Node

ciscodpc3939_firmwareMatchdpc3939-p20-18-v303r20421746-170221a-cmcst

AND

ciscodpc3939Match-

VendorProductVersionCPE
ciscodpc3939_firmwaredpc3939-p20-18-v303r20421746-170221a-cmcstcpe:2.3:o:cisco:dpc3939_firmware:dpc3939-p20-18-v303r20421746-170221a-cmcst:*:*:*:*:*:*:*
ciscodpc3939-cpe:2.3:h:cisco:dpc3939:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
cisco	dpc3939_firmware	dpc3939-p20-18-v303r20421746-170221a-cmcst	cpe:2.3:o:cisco:dpc3939_firmware:dpc3939-p20-18-v303r20421746-170221a-cmcst:::::::*
cisco	dpc3939	-	cpe:2.3:h:cisco:dpc3939:-:::::::*

References

github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-26.arbitrary-command-execution.txt

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.2

Confidence

High

EPSS

0.008

Percentile

82.2%

JSON

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