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CVE-2017-12270 A vulnerability in the gRPC code of Cisco IOS XR Software for Cisco Network Convergence System (NCS) 5500 Series Routers…
Description
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 and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Cisco IOS XR | Versions not published |
References
- 101171 www.securityfocus.com
- tools.cisco.com tools.cisco.com
- 1039504 www.securitytracker.com
Timeline
- Published
- Last modified
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