CVE-2019-1738— Cisco IOS和IOS XE 输入验证错误漏洞
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I. CVE-2019-1738の基本情報
脆弱性情報
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脆弱性タイトル
Cisco IOS and IOS XE Software Network-Based Application Recognition Denial of Service Vulnerability
ソース: NVD (National Vulnerability Database)
脆弱性説明
A vulnerability in the Network-Based Application Recognition (NBAR) feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. This vulnerability is due to a parsing issue on DNS packets. An attacker could exploit these vulnerabilities by sending crafted DNS packets through routers that are running an affected version and have NBAR enabled. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition.
ソース: NVD (National Vulnerability Database)
CVSS情報
N/A
ソース: NVD (National Vulnerability Database)
脆弱性タイプ
输入验证不恰当
ソース: NVD (National Vulnerability Database)
脆弱性タイトル
Cisco IOS和IOS XE 输入验证错误漏洞
ソース: CNNVD (China National Vulnerability Database)
脆弱性説明
Cisco IOS和IOS XE都是美国思科（Cisco）公司的一套为其网络设备开发的操作系统。 Cisco IOS和IOS XE中的Network-Based Application Recognition (NBAR)功能存在输入验证漏洞，该漏洞源于程序存在解析问题。远程攻击者可通过发送特制的DNS数据包利用该漏洞造成受影响的设备重新加载，导致拒绝服务。
ソース: CNNVD (China National Vulnerability Database)
CVSS情報
N/A
ソース: CNNVD (China National Vulnerability Database)
脆弱性タイプ
N/A
ソース: CNNVD (China National Vulnerability Database)
影響を受ける製品
| ベンダー | プロダクト | 影響を受けるバージョン | CPE | 購読 |
|---|---|---|---|---|
| Cisco | Cisco IOS and IOS-XE Software | 3.16.0S | - |
II. CVE-2019-1738の公開POC
| # | POC説明 | ソースリンク | Shenlongリンク |
|---|
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- Cisco IOS and IOS XE Software Network-Based Application Recognition Denial of Service Vulnerabilitiesvendor-advisoryx_refsource_CISCO
- https://nvd.nist.gov/vuln/detail/CVE-2019-1738
Same Patch Batch · Cisco · 2019-03-27 · 13 CVEs total
| CVE-2019-1737 | Cisco IOS and IOS XE Software IP Service Level Agreement Denial of Service Vulnerability | |
| CVE-2019-1739 | Cisco IOS and IOS XE Software Network-Based Application Recognition Denial of Service Vuln | |
| CVE-2019-1741 | Cisco IOS XE Software Encrypted Traffic Analytics Denial of Service Vulnerability | |
| CVE-2019-1740 | Cisco IOS and IOS XE Software Network-Based Application Recognition Denial of Service Vuln | |
| CVE-2019-1743 | Cisco IOS XE Software Arbitrary File Upload Vulnerability | |
| CVE-2019-1742 | Cisco IOS XE Software Information Disclosure Vulnerability | |
| CVE-2019-1745 | Cisco IOS XE Software Command Injection Vulnerability | |
| CVE-2019-1746 | Cisco IOS and IOS XE Software Cluster Management Protocol Denial of Service Vulnerability | |
| CVE-2019-1748 | Cisco IOS and IOS XE Software Network Plug-and-Play Agent Certificate Validation Vulnerabi | |
| CVE-2019-1747 | Cisco IOS and IOS XE Software Short Message Service Denial of Service Vulnerability | |
| CVE-2019-1750 | Cisco IOS XE Software Catalyst 4500 Cisco Discovery Protocol Denial of Service Vulnerabili | |
| CVE-2019-1749 | Cisco Aggregation Services Router 900 Route Switch Processor 3 OSPFv2 Denial of Service Vu |
IV. 関連脆弱性
同じベンダー: Cisco
- CVE-2026-20219
Cisco Slido 安全漏洞 - CVE-2026-20034
Cisco Unity Connection Remote Code Execution Vulnerability - CVE-2026-20035
Cisco Unity Connection Server-Side Request Forgery Vulnerabi - CVE-2026-20167
Cisco IoT Field Network Director Remote Device Denial of Ser - CVE-2026-20169
Cisco IoT Field Network Director Command Injection Vulnerabi
V. CVE-2019-1738へのコメント
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