CVE-2017-9483 — CRITICAL (9.8)

Vulnerability Description

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.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Cisco	Dpc3939 Firmware	dpc3939-p20-18-v303r20421746-170221a-cmcst
Cisco	Dpc3939	-

Related Weaknesses (CWE)

CWE-78

References

https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastilleExploitThird Party Advisory
https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastilleExploitThird Party Advisory

FAQ

What is CVE-2017-9483?

CVE-2017-9483 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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...

How severe is CVE-2017-9483?

CVE-2017-9483 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2017-9483?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Dpc3939 Firmware, Cisco Dpc3939.