CVE-2019-18224
Quick assessment
Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
GNU libidn2是一款支持对国际化域名进行编码和解码的库。 GNU libidn2 2.1.1之前版本中的lib/lookup.c文件的‘idn2_to_ascii_4i’函数存在缓冲区错误漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。
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I. Basic Information for CVE-2019-18224
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
idn2_to_ascii_4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based buffer overflow via a long domain string.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
GNU libidn2 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GNU libidn2是一款支持对国际化域名进行编码和解码的库。 GNU libidn2 2.1.1之前版本中的lib/lookup.c文件的‘idn2_to_ascii_4i’函数存在缓冲区错误漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | n/a | n/a | - |
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II. Public POCs for CVE-2019-18224
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2019-18224 (1)
Vendor Advisories for CVE-2019-18224 (3)
Mailing List Discussions for CVE-2019-18224 (5)
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http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00008.html vendor-advisory x_refsource_SUSE
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http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00009.html vendor-advisory x_refsource_SUSE
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JDQVQ2XPV5BTZUFINT7AFJSKNNBVURNJ/ vendor-advisory x_refsource_FEDORA
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MINU5RKDFE6TKAFY5DRFN3WSFDS4DYVS/ vendor-advisory x_refsource_FEDORA
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Other References for CVE-2019-18224 (2)
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https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12420 x_refsource_MISC
Same Patch Batch · n/a · 2019-10-21 · 34 CVEs total
| CVE-2019-16967 | FreePBX 跨站脚本漏洞 | |
| CVE-2019-16989 | FusionPBX 跨站脚本漏洞 | |
| CVE-2019-16991 | FusionPBX 跨站脚本漏洞 | |
| CVE-2019-16988 | FusionPBX 跨站脚本漏洞 | |
| CVE-2019-18225 | Citrix Systems NetScaler Gateway和Citrix Application Delivery Controller 授权问题漏洞 | |
| CVE-2019-18203 | RICOH MP 501 跨站脚本漏洞 | |
| CVE-2019-16964 | FusionPBX Call Center Queue Module 操作系统命令注入漏洞 | |
| CVE-2019-16965 | FusionPBX 操作系统命令注入漏洞 | |
| CVE-2019-16966 | FreePBX Contactmanager 跨站脚本漏洞 | |
| CVE-2019-16986 | FusionPBX 路径遍历漏洞 | |
| CVE-2019-16968 | FusionPBX 跨站脚本漏洞 | |
| CVE-2019-16970 | FusionPBX 跨站脚本漏洞 | |
| CVE-2019-17220 | Rocket.Chat 跨站脚本漏洞 | |
| CVE-2019-16969 | FusionPBX 跨站脚本漏洞 | |
| CVE-2019-16974 | FusionPBX 跨站脚本漏洞 | |
| CVE-2019-17400 | unoconv package 代码问题漏洞 | |
| CVE-2019-16404 | OpenEMR SQL注入漏洞 | |
| CVE-2019-17498 | libssh2 输入验证错误漏洞 | |
| CVE-2019-16987 | FusionPBX 跨站脚本漏洞 | |
| CVE-2019-16985 | FusionPBX 路径遍历漏洞 |
Showing top 20 of 34 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2019-18224
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