中危 Cisco Adaptive Security Appliance和Firepower Threat Defense拒绝服务漏洞
CVE编号
CVE-2021-34793利用情况
暂无补丁情况
官方补丁披露时间
2021-10-28漏洞描述
Cisco Adaptive Security Appliances Software（ASA Software）是美国思科（Cisco）公司的一套防火墙和网络安全平台。该平台提供了对数据和网络资源的高度安全的访问等功能。 Cisco Adaptive Security Appliance和Firepower Threat Defense的TCP Normalizer存在拒绝服务漏洞。该漏洞源于程序在透明模式下运行时未对某些TCP段进行正确处理。攻击者可利用该漏洞造成MAC地址表中毒从而导致拒绝服务。 受影响系统： Cisco Adaptive Security Appliance Cisco Firepower Threat Defense解决建议
目前厂商已发布升级补丁以修复漏洞，补丁获取链接：https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-ftd-dos-JxYWMJyL
参考链接 |
|
|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-s... | |
| https://www.auscert.org.au/bulletins/ESB-2021.3582 |
受影响软件情况
| # | 类型 | 厂商 | 产品 | 版本 | 影响面 | ||||
| 1 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 运行在以下环境 | |||||||||
| 应用 | cisco | adaptive_security_appliance | * | Up to (excluding) 9.8.4.40 | |||||
| 运行在以下环境 | |||||||||
| 应用 | cisco | adaptive_security_appliance | * | From (including) 9.13.0 | Up to (excluding) 9.14.3.9 | ||||
| 运行在以下环境 | |||||||||
| 应用 | cisco | adaptive_security_appliance | * | From (including) 9.15.0 | Up to (excluding) 9.15.1.17 | ||||
| 运行在以下环境 | |||||||||
| 应用 | cisco | adaptive_security_appliance | * | From (including) 9.16.0 | Up to (excluding) 9.16.2.3 | ||||
| 运行在以下环境 | |||||||||
| 应用 | cisco | adaptive_security_appliance | * | From (including) 9.9.0 | Up to (excluding) 9.12.4.29 | ||||
| 运行在以下环境 | |||||||||
| 应用 | cisco | firepower_threat_defense | * | Up to (excluding) 6.4.0.13 | |||||
| 运行在以下环境 | |||||||||
| 应用 | cisco | firepower_threat_defense | * | From (including) 6.5.0 | Up to (excluding) 6.6.5 | ||||
| 运行在以下环境 | |||||||||
| 应用 | cisco | firepower_threat_defense | * | From (including) 6.7.0 | Up to (excluding) 6.7.0.3 | ||||
| 运行在以下环境 | |||||||||
| 系统 | cisco | asa_5505_firmware | 009.008(004.025) | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | cisco | asa_5512-x_firmware | 009.008(004.025) | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | cisco | asa_5515-x_firmware | 009.008(004.025) | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | cisco | asa_5525-x_firmware | 009.008(004.025) | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | cisco | asa_5545-x_firmware | 009.008(004.025) | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | cisco | asa_5555-x_firmware | 009.008(004.025) | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | cisco | asa_5580_firmware | 009.008(004.025) | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | cisco | asa_5585-x_firmware | 009.008(004.025) | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | asa_5505 | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | asa_5512-x | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | asa_5515-x | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | asa_5525-x | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | asa_5545-x | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | asa_5555-x | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | asa_5580 | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | asa_5585-x | - | - | |||||
- 攻击路径 远程
- 攻击复杂度 复杂
- 权限要求 无需权限
- 影响范围 越权影响
- EXP成熟度 未验证
- 补丁情况 官方补丁
- 数据保密性 无影响
- 数据完整性 无影响
- 服务器危害 DoS
- 全网数量 N/A
| CWE-ID | 漏洞类型 |
| CWE-924 | 通信信道中传输过程中消息完整性的不正确执行 |
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