PT-2017-12445 · Cisco · Cisco Ios Xr

Publicado 2017-10-04 · Atualizado 2019-10-09 · CVE-2017-12270

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Média

Vetor base

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

Name of the Vulnerable Software and Affected Versions Cisco IOS XR Software for Cisco Network Convergence System (NCS) 5500 Series Routers (affected versions not specified)

Description A vulnerability in the gRPC code could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition when the emsd service stops. The issue is due to the software's inability to process HTTP/2 packets. An attacker could exploit this by sending a malformed HTTP/2 frame to the affected device, potentially creating a DoS condition.

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

DoS

Buffer Overflow

Enumeração de Fraquezas

CWE-119

Identificadores relacionados

CVE-2017-12270

Produtos afetados

Cisco Ios Xr

Referências · 5

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171004-ncs · Aviso do Fabricante
• http://securitytracker.com/id/1039504 · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2017-12270 · Nota de Segurança
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171004-ncs · Aviso do Fabricante
• http://securityfocus.com/bid/101171 · Nota