PT-2019-3328 · Cisco · Cisco Ios Xe+1

Publicado 2019-09-25 · Atualizado 2019-10-09 · CVE-2019-12647

Positive Technologies (AI Summary)

CVSS v3.1

8.6

Alta

Vetor base

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 and IOS XE Software (affected versions not specified)

Description A vulnerability in the Ident protocol handler could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability exists because the affected software incorrectly handles memory structures, leading to a NULL pointer dereference. An attacker could exploit this vulnerability by opening a TCP connection to specific ports and sending traffic over that connection. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition.

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

DoS

NULL Pointer Dereference

Enumeração de Fraquezas

CWE-476

Identificadores relacionados

BDU:2019-03435

CVE-2019-12647

Produtos afetados

Cisco Ios

Cisco Ios Xe

Referências · 4

• https://osv.dev/vulnerability/CVE-2019-12647 · Aviso do Fabricante
• https://bdu.fstec.ru/vul/2019-03435 · Nota de Segurança
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-identd-dos · Aviso do Fabricante
• https://nvd.nist.gov/vuln/detail/CVE-2019-12647 · Nota de Segurança