PT-2019-3325 · Cisco · Cisco Ios Xe

Published 2019-09-25 · Updated 2019-10-09 · CVE-2019-12655

Positive Technologies (AI Summary)

CVSS v3.1

8.6

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Cisco IOS XE Software (affected versions not specified)

Description A vulnerability in the FTP application layer gateway (ALG) functionality used by Network Address Translation (NAT), NAT IPv6 to IPv4 (NAT64), and the Zone-Based Policy Firewall (ZBFW) in Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to a buffer overflow that occurs when an affected device inspects certain FTP traffic. An attacker could exploit this vulnerability by performing a specific FTP transfer through the device. A successful exploit could allow the attacker to cause the device to reload.

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

RCE

Buffer Overflow

Weakness Enumeration

CWE-20

CWE-120

Related Identifiers

BDU:2019-03432

CVE-2019-12655

Affected Products

Cisco Ios Xe

References · 4

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-ftp · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-12655 · Security Note
• https://osv.dev/vulnerability/CVE-2019-12655 · Vendor Advisory
• https://bdu.fstec.ru/vul/2019-03432 · Security Note