CVE-2017-9492 — HIGH (7.5) — White Hats Nepal

Vulnerability Description

The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421733-160420a-CMCST); Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST); Cisco DPC3939B (firmware version dpc3939b-v303r204217-150321a-CMCST); Cisco DPC3941T (firmware version DPC3941_2.5s3_PROD_sey); and Arris TG1682G (eMTA&DOCSIS version 10.0.132.SIP.PC20.CT, software version TG1682_2.2p7s2_PROD_sey) devices does not include the HTTPOnly flag in a Set-Cookie header for administration applications, which makes it easier for remote attackers to obtain potentially sensitive information via script access to cookies.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Cisco	Dpc3939 Firmware	dpc3939-p20-18-v303r20421733-160420a-cmcst
Cisco	Dpc3939	-
Cisco	Dpc3939B Firmware	dpc3939b-v303r204217-150321a-cmcst
Cisco	Dpc3939B	-
Cisco	Dpc3941T Firmware	dpc3941_2.5s3_prod_sey
Cisco	Dpc3941T	-
Commscope	Arris Tg1682G Firmware	10.0.132.sip.pc20.ct
Commscope	Arris Tg1682G	-

Related Weaknesses (CWE)

CWE-200

References

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

FAQ

What is CVE-2017-9492?

CVE-2017-9492 is a vulnerability with a CVSS score of 7.5 (HIGH). The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421733-160420a-CMCST); Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST); Cisco DPC3939B (firmwa...

How severe is CVE-2017-9492?

CVE-2017-9492 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-9492?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Dpc3939 Firmware, Cisco Dpc3939, Cisco Dpc3939B Firmware, Cisco Dpc3939B, Cisco Dpc3941T Firmware.