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CVE-2017-12270

Quick assessment

Affected
n/a Cisco IOS XR
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cisco Network Convergence System (NCS) 5500 Series Routers是美国思科（Cisco）公司的一款5500 Series系列路由器。IOS XR Software是其中的一套模块化、分布式的网络操作系统。 Cisco NCS 5500 Series Routers中的IOS XR Software的gRPC代码存在拒绝服务漏洞，该漏洞源于程序无法处理HTTP/2数据包。远程攻击者可利用该漏洞造成拒绝服务。

AI Predicted 7.5 Difficulty: Easy EPSS 2.30% · P83

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2017-12270

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Network Convergence System 5500 Series Routers IOS XR Software 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Network Convergence System (NCS) 5500 Series Routers是美国思科（Cisco）公司的一款5500 Series系列路由器。IOS XR Software是其中的一套模块化、分布式的网络操作系统。 Cisco NCS 5500 Series Routers中的IOS XR Software的gRPC代码存在拒绝服务漏洞，该漏洞源于程序无法处理HTTP/2数据包。远程攻击者可利用该漏洞造成拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- Cisco IOS XR Cisco IOS XR -

II. Public POCs for CVE-2017-12270

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III. Intelligence Information for CVE-2017-12270

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Vendor Advisories for CVE-2017-12270 (3)

Same Patch Batch · n/a · 2017-10-05 · 27 CVEs total

CVE-2017-12257 Cisco WebEx Meetings Server 跨站脚本漏洞
CVE-2017-15037 FreeBSD 竞争条件漏洞
CVE-2017-15035 EmTec PyroBatchFTP 安全漏洞
CVE-2017-15033 ImageMagick 资源管理错误漏洞
CVE-2017-15032 ImageMagick 安全漏洞
CVE-2017-12269 Cisco Spark Messaging Software 跨站脚本漏洞
CVE-2017-12268 Cisco AnyConnect Secure Mobility Client Network Access Manager 安全漏洞
CVE-2017-12267 Cisco Wide Area Application Services 安全漏洞
CVE-2017-12266 Cisco Meeting App for Windows 权限许可和访问控制漏洞
CVE-2017-12265 Cisco Adaptive Security Appliances Software 安全漏洞
CVE-2017-12264 Cisco Meeting Server Web Admin Interface 安全漏洞
CVE-2017-12263 Cisco License Manager software 路径遍历漏洞
CVE-2017-12258 Cisco Unified Communications Manager 安全漏洞
CVE-2017-12732 GE CIMPLICITY 缓冲区错误漏洞
CVE-2017-12256 Cisco Wide Area Application Services Appliances 安全漏洞
CVE-2017-12246 多款Cisco产品Adaptive Security Appliances Software 资源管理错误漏洞
CVE-2017-12245 多款Cisco产品Firepower Threat Defense Software 安全漏洞
CVE-2017-12244 多款Cisco产品Firepower System Software 安全漏洞
CVE-2017-14354 HP UCMDB Foundation Software 跨站脚本漏洞
CVE-2017-14353 HP UCMDB Foundation Software 代码注入漏洞

Showing top 20 of 27 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Cisco IOS XR
Same vendor: n/a
Same weakness: CWE-119

V. Comments for CVE-2017-12270

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