CVE-2017-12270

Impact

A vulnerability in the gRPC code of Cisco IOS XR Software for Cisco Network Convergence System (NCS) 5500 Series Routers could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition when the emsd service stops. The vulnerability is due to the software's inability to process HTTP/2 packets. An attacker could exploit this vulnerability by sending a malformed HTTP/2 frame to the affected device. A successful exploit could allow the attacker to create a DoS condition when the emsd service stops. Cisco Bug IDs: CSCvb99388.

Affected products

Weakness classification

References

• NVD record
• CVE.org record
• http://www.securityfocus.com/bid/101171
• http://www.securitytracker.com/id/1039504
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171004-ncs
• http://www.securityfocus.com/bid/101171
• http://www.securitytracker.com/id/1039504
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171004-ncs