PT-2017-16122 · Cisco · Cbr-8 Converged Broadband Routers+1

Published 2017-02-01 · Updated 2017-07-25 · CVE-2017-3824

Positive Technologies (AI Summary)

CVSS v3.1

6.8

Medium

Base vector

AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Cisco cBR-8 Converged Broadband Routers versions 15.5(3)S through 15.6(1)S

Description A vulnerability in the handling of list headers in Cisco cBR Series Converged Broadband Routers could allow an unauthenticated, remote attacker to cause the device to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to memory corruption. An attacker could exploit this vulnerability by sending crafted PacketCable Multimedia (PCMM) packets to an affected device.

Recommendations For versions 15.5(3)S and 15.6(1)S, update to a fixed release such as 15.5(3)S2, 15.6(1)S1, 15.6(2)S, 15.6(2)SP, or 16.4(1) to resolve the issue. As a temporary workaround, consider restricting access to the device to minimize the risk of exploitation.

Fix

DoS

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2017-3824

Affected Products

Cisco Ios Xe

Cbr-8 Converged Broadband Routers

References · 5

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170201-cbr · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-3824 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-3824 · Security Note
• http://securityfocus.com/bid/95937 · Note
• http://securitytracker.com/id/1037774 · Note