cisco aironet_access_point_software 在移除最后引用时对内存的释放不恰当（内存泄露）
CVE编号
CVE-2021-34740利用情况
暂无补丁情况
N/A披露时间
2021-09-23漏洞描述
A vulnerability in the WLAN Control Protocol (WCP) implementation for Cisco Aironet Access Point (AP) software could allow an unauthenticated, adjacent attacker to cause a reload of an affected device, resulting in a denial of service (DoS) condition. This vulnerability is due to incorrect error handling when an affected device receives an unexpected 802.11 frame. An attacker could exploit this vulnerability by sending certain 802.11 frames over the wireless network to an interface on an affected AP. A successful exploit could allow the attacker to cause a packet buffer leak. This could eventually result in buffer allocation failures, which would trigger a reload of the affected device.解决建议
建议您更新当前系统或软件至最新版，完成漏洞的修复。
参考链接 |
|
|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-s... |
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 | |||||||||
| 系统 | cisco | aironet_access_point_software | * | From (including) 8.10.0 | Up to (excluding) 8.10.162.0 | ||||
| 运行在以下环境 | |||||||||
| 系统 | cisco | aironet_access_point_software | 17.2 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | cisco | aironet_access_point_software | 17.3 | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | 6300_series_access_points | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | aironet_1540 | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | aironet_1542d | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | aironet_1542i | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | aironet_1560 | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | aironet_1562d | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | aironet_1562e | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | aironet_1562i | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | aironet_1800 | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | aironet_1800i | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | aironet_1810 | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | aironet_1810w | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | aironet_1815 | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | aironet_1815i | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | aironet_1830 | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | aironet_1830e | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | aironet_1830i | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | aironet_1840 | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | aironet_1850 | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | aironet_1850e | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | aironet_1850i | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | aironet_2800 | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | aironet_2800e | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | aironet_2800i | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | aironet_3800 | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | aironet_3800e | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | aironet_3800i | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | aironet_3800p | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | aironet_4800 | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | catalyst_9100 | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | catalyst_9105 | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | catalyst_9105axi | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | catalyst_9105axw | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | catalyst_9115 | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | catalyst_9115axe | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | catalyst_9115axi | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | catalyst_9115_ap | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | catalyst_9117 | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | catalyst_9117axi | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | catalyst_9117_ap | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | catalyst_9120 | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | catalyst_9120axe | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | catalyst_9120axi | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | catalyst_9120axp | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | catalyst_9120_ap | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | catalyst_9124 | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | catalyst_9124axd | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | catalyst_9124axi | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | catalyst_9130 | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | catalyst_9130axe | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | catalyst_9130axi | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | catalyst_9130_ap | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | catalyst_iw6300 | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | catalyst_iw6300_ac | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | catalyst_iw6300_dc | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | catalyst_iw6300_dcw | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | isr_1100 | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | isr_1100-4g/6g | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | isr_1100-4p | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | isr_1100-8p | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | isr_1101 | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | isr_1101-4p | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | isr_1109 | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | isr_1109-2p | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | isr_1109-4p | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | isr_1111x | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | isr_1111x-8p | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | isr_111x | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | isr_1120 | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | cisco | isr_1160 | - | - | |||||
- 攻击路径 相邻
- 攻击复杂度 低
- 权限要求 无
- 影响范围 已更改
- 用户交互 无
- 可用性 高
- 保密性 无
- 完整性 无
| CWE-ID | 漏洞类型 |
| CWE-401 | 在移除最后引用时对内存的释放不恰当（内存泄露） |
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