CVE-2017-6657 (CNNVD-201705-764)
中文标题:
Cisco Sourcefire Snort 安全漏洞
英文标题:
Cisco Sourcefire Snort 3.0 before build 233 mishandles Ether Type Validation. Since valid ether type...
漏洞描述
中文描述:
Cisco Sourcefire Snort是美国思科(Cisco)公司(原Snort团队)的一套网络入侵预防软件与网络入侵检测软件。该软件提供数据包嗅探、数据包分析和数据包检测等功能。 Cisco Sourcefire Snort build 233之前的3.0版本中的多个解码器存在安全漏洞,该漏洞源于程序没有正确的处理Type验证。攻击者可利用该漏洞造成拒绝服务(崩溃),多个解码器包括:gre,llc,trans_bridge,ciscometadata,linux_sll,token_ring。
英文描述:
Cisco Sourcefire Snort 3.0 before build 233 mishandles Ether Type Validation. Since valid ether type and IP protocol numbers do not overlap, Snort++ stores all protocol decoders in a single array. That makes it possible to craft packets that have IP protocol numbers in the ether type field which will confuse the Snort++ decoder. For example, an eth:llc:snap:icmp6 packet will cause a crash because there is no ip6 header with which to calculate the icmp6 checksum. Affected decoders include gre, llc, trans_bridge, ciscometadata, linux_sll, and token_ring. The fix adds a check in the packet manager to validate the ether type before indexing the decoder array. An out of range ether type will raise 116:473.
CWE类型:
标签:
受影响产品
| 厂商 | 产品 | 版本 | 版本范围 | 平台 | CPE |
|---|---|---|---|---|---|
| cisco | snort\+\+ | - | - | - |
cpe:2.3:a:cisco:snort\+\+:-:*:*:*:*:*:*:*
|
解决方案
中文解决方案:
英文解决方案:
临时解决方案:
CVSS评分详情
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
时间信息
利用信息
数据源详情
| 数据源 | 记录ID | 版本 | 提取时间 |
|---|---|---|---|
| CVE | cve_CVE-2017-6657 |
2025-11-11 15:19:31 | 2025-11-11 07:34:51 |
| NVD | nvd_CVE-2017-6657 |
2025-11-11 14:55:28 | 2025-11-11 07:43:28 |
| CNNVD | cnnvd_CNNVD-201705-764 |
2025-11-11 15:09:49 | 2025-11-11 07:53:03 |
版本与语言
安全公告
变更历史
查看详细变更
- vulnerability_type: 未提取 -> 资源管理错误
- cnnvd_id: 未提取 -> CNNVD-201705-764
- data_sources: ['cve', 'nvd'] -> ['cnnvd', 'cve', 'nvd']
查看详细变更
- severity: SeverityLevel.MEDIUM -> SeverityLevel.HIGH
- cvss_score: 未提取 -> 7.5
- cvss_vector: NOT_EXTRACTED -> CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- cvss_version: NOT_EXTRACTED -> 3.0
- affected_products_count: 0 -> 1
- references_count: 2 -> 3
- data_sources: ['cve'] -> ['cve', 'nvd']