CVE-2018-15369 (CNNVD-201809-1260)

MEDIUM
中文标题:
Cisco IOS Software和IOS XE Software TACACS+客户端子系统输入验证漏洞
英文标题:
Cisco IOS and IOS XE Software TACACS+ Client Denial of Service Vulnerability
CVSS分数: 6.8
发布时间: 2018-10-05 14:00:00
漏洞类型: 输入验证错误
状态: PUBLISHED
数据质量分数: 0.30
数据版本: v3
漏洞描述
中文描述:

Cisco IOS Software和IOS XE Software都是美国思科(Cisco)公司为其网络设备开发的操作系统。TACACS+是其中的一个终端访问控制子系统。 Cisco IOS Software和IOS XE Software中的TACACS+客户端子系统存在输入验证漏洞,该漏洞源于受影响的软件没有正确地处理特制的TACACS+响应数据包。远程攻击者可通过向受影响设备和TACACS+服务器之间已存在的TACACS+会话注入特制的TACACS+数据包或伪造已知有效的TACACS+服务器并向受影响的系统发送特制的TACACS+数据包利用该漏洞造成受影响的设备重载,导致拒绝服务。

英文描述:

A vulnerability in the TACACS+ client subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to improper handling of crafted TACACS+ response packets by the affected software. An attacker could exploit this vulnerability by injecting a crafted TACACS+ packet into an existing TACACS+ session between an affected device and a TACACS+ server or by impersonating a known, valid TACACS+ server and sending a crafted TACACS+ packet to an affected device when establishing a connection to the device. To exploit this vulnerability by using either method, the attacker must know the shared TACACS+ secret and the crafted packet must be sent in response to a TACACS+ request from a TACACS+ client. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.

CWE类型:
CWE-20
标签:
(暂无数据)
受影响产品
厂商 产品 版本 版本范围 平台 CPE
Cisco Cisco IOS Software n/a - - cpe:2.3:a:cisco:cisco_ios_software:n_a:*:*:*:*:*:*:*
cisco ios 15.6\(1.9\)t - - cpe:2.3:o:cisco:ios:15.6\(1.9\)t:*:*:*:*:*:*:*
cisco ios_xe - - - cpe:2.3:o:cisco:ios_xe:-:*:*:*:*:*:*:*
解决方案
中文解决方案:
(暂无数据)
英文解决方案:
(暂无数据)
临时解决方案:
(暂无数据)
参考链接
20180926 Cisco IOS and IOS XE Software TACACS+ Client Denial of Service Vulnerability vendor-advisory
cve.org
访问
105426 vdb-entry
cve.org
访问
CVSS评分详情
6.8
MEDIUM
CVSS向量: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
CVSS版本: 3.0
机密性
NONE
完整性
NONE
可用性
HIGH
时间信息
发布时间:
2018-10-05 14:00:00
修改时间:
2024-11-26 14:36:25
创建时间:
2025-11-11 15:35:07
更新时间:
2025-11-11 15:53:56
利用信息
暂无可利用代码信息
数据源详情
数据源 记录ID 版本 提取时间
CVE cve_CVE-2018-15369 2025-11-11 15:19:41 2025-11-11 07:35:07
NVD nvd_CVE-2018-15369 2025-11-11 14:55:59 2025-11-11 07:43:41
CNNVD cnnvd_CNNVD-201809-1260 2025-11-11 15:10:05 2025-11-11 07:53:56
版本与语言
当前版本: v3
主要语言: EN
支持语言:
EN ZH
安全公告
暂无安全公告信息
变更历史
v3 CNNVD
2025-11-11 15:53:56
vulnerability_type: 未提取 → 输入验证错误; cnnvd_id: 未提取 → CNNVD-201809-1260; data_sources: ['cve', 'nvd'] → ['cnnvd', 'cve', 'nvd']
查看详细变更
  • vulnerability_type: 未提取 -> 输入验证错误
  • cnnvd_id: 未提取 -> CNNVD-201809-1260
  • data_sources: ['cve', 'nvd'] -> ['cnnvd', 'cve', 'nvd']
v2 NVD
2025-11-11 15:43:41
cvss_score: 未提取 → 6.8; cvss_vector: NOT_EXTRACTED → CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H; cvss_version: NOT_EXTRACTED → 3.0; affected_products_count: 1 → 3; data_sources: ['cve'] → ['cve', 'nvd']
查看详细变更
  • cvss_score: 未提取 -> 6.8
  • cvss_vector: NOT_EXTRACTED -> CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
  • cvss_version: NOT_EXTRACTED -> 3.0
  • affected_products_count: 1 -> 3
  • data_sources: ['cve'] -> ['cve', 'nvd']