PT-2018-13009 · Cisco · Cisco Remote Phy

Published 2018-10-05 · Updated 2019-10-09 · CVE-2018-15391

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Cisco Remote PHY Software (affected versions not specified)

Description A vulnerability in certain IPv4 fragment-processing functions could allow an unauthenticated, remote attacker to impact traffic passing through a device, potentially causing a denial of service (DoS) condition. The issue is due to the affected software not validating and calculating certain numerical values in IPv4 packets sent to an affected device. An attacker could exploit this by sending malformed IPv4 traffic to an affected device, disrupting the flow of certain IPv4 traffic and potentially resulting in a DoS condition.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-682

CWE-399

Related Identifiers

CVE-2018-15391

Affected Products

Cisco Remote Phy

References · 3

• https://osv.dev/vulnerability/CVE-2018-15391 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-15391 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-phy-ipv4-dos · Vendor Advisory