CVE-2020-3500— Cisco StarOS IPv6 Denial of Service Vulnerability
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I. Basic Information for CVE-2020-3500
Vulnerability Information
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Vulnerability Title
Cisco StarOS IPv6 Denial of Service Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the IPv6 implementation of Cisco StarOS could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient validation of incoming IPv6 traffic. An attacker could exploit this vulnerability by sending a crafted IPv6 packet to an affected device with the goal of reaching the vulnerable section of the input buffer. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition. This vulnerability is specific to IPv6 traffic. IPv4 traffic is not affected.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco StarOS 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco StarOS是美国思科（Cisco）公司的一套虚拟化操作系统。 Cisco StarOS 21.18.3之前版本中的IPv6实现存在缓冲区错误漏洞，该漏洞源于程序没有充分验证所接收的IPv6流量。远程攻击者可通过发送特制的IPv6数据包利用该漏洞造成拒绝服务。以下产品及版本受到影响：Cisco ASR 5000 Series Aggregation Services Routers；Cisco Virtualized Packet Core-Single Instance (VPC-SI)。
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 | Cisco ASR 5000 Series Software | n/a | - |
II. Public POCs for CVE-2020-3500
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asr5k-ipv6-dos-ce3zhF8mvendor-advisoryx_refsource_CISCO
- https://nvd.nist.gov/vuln/detail/CVE-2020-3500
Same Patch Batch · Cisco · 2020-08-17 · 17 CVEs total
| CVE-2020-3433 | 7.8 HIGH | Cisco AnyConnect Secure Mobility Client for Windows DLL Hijacking Vulnerability |
| CVE-2020-3463 | 6.1 MEDIUM | Cisco Webex Meetings Reflected Cross-Site Scripting Vulnerability |
| CVE-2020-3346 | 6.1 MEDIUM | Cisco Unified Communications Manager Cross-Site Scripting Vulnerability |
| CVE-2020-3447 | 5.5 MEDIUM | Cisco Email Security Appliance and Cisco Content Security Management Appliance Information |
| CVE-2020-3435 | 5.5 MEDIUM | Cisco AnyConnect Secure Mobility Client for Windows Profile Modification Vulnerability |
| CVE-2020-3434 | 5.5 MEDIUM | Cisco AnyConnect Secure Mobility Client for Windows Denial of Service Vulnerability |
| CVE-2020-3472 | 5.0 MEDIUM | Cisco Webex Meetings User Email Address Information Disclosure Vulnerability |
| CVE-2020-3464 | 4.8 MEDIUM | Cisco UCS Director Stored Cross-Site Scripting Vulnerability |
| CVE-2020-3449 | 4.3 MEDIUM | Cisco IOS XR Software Additional Paths Denial of Service Vulnerability |
| CVE-2020-3413 | 4.3 MEDIUM | Cisco Webex Meetings Scheduled Meeting Template Deletion Vulnerability |
| CVE-2020-3412 | 4.3 MEDIUM | Cisco Webex Meetings Scheduled Meeting Template Creation Vulnerability |
| CVE-2020-3502 | 4.1 MEDIUM | Cisco Webex Meetings Desktop App Information Disclosure Vulnerabilities |
| CVE-2020-3501 | 4.1 MEDIUM | Cisco Webex Meetings Desktop App Information Disclosure Vulnerabilities |
| CVE-2020-3448 | Cisco Cyber Vision Center Software Access Control Bypass Vulnerability | |
| CVE-2020-3411 | Cisco DNA Center Information Disclosure Vulnerability | |
| CVE-2020-3363 | Cisco Small Business Smart and Managed Switches Denial of Service Vulnerability |
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V. Comments for CVE-2020-3500
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