CVE-2019-16866
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.
Unbound是荷兰NLnet Labs基金会的一款支持验证递归和缓存的DNS解析器。 Unbound 1.9.4之前版本中存在缓冲区错误漏洞，该漏洞源于程序访问没有初始化的内存。远程攻击者可借助特制NOTIFY查询利用该漏洞导致应用程序崩溃（拒绝服务）。
Possible ATT&CK Techniques 3 AI
T1046 · Network Service Discovery T1011 · Exfiltration Over Other Network Medium T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2019-16866
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Unbound before 1.9.4 accesses uninitialized memory, which allows remote attackers to trigger a crash via a crafted NOTIFY query. The source IP address of the query must match an access-control rule.
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
Unbound 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Unbound是荷兰NLnet Labs基金会的一款支持验证递归和缓存的DNS解析器。 Unbound 1.9.4之前版本中存在缓冲区错误漏洞，该漏洞源于程序访问没有初始化的内存。远程攻击者可借助特制NOTIFY查询利用该漏洞导致应用程序崩溃（拒绝服务）。
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-2019-16866
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2019-16866 (2)
Mailing List Discussions for CVE-2019-16866 (3)
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E65NCWZZB2D75ZIYWPXKMVGSGNYW4JMC/ vendor-advisory x_refsource_FEDORA
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MLRHE7TQFAOV4MB2ELTOGESZYUL65NUJ/ vendor-advisory x_refsource_FEDORA
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Other References for CVE-2019-16866 (2)
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https://nlnetlabs.nl/downloads/unbound/CVE-2019-16866.txt x_refsource_MISC
Same Patch Batch · n/a · 2019-10-03 · 38 CVEs total
| CVE-2019-15166 | 1.6 LOW | lmp_print in tcpdump lacks certain boundary checks |
| CVE-2019-15162 | libpcap 数据伪造问题漏洞 | |
| CVE-2018-16227 | tcpdump 缓冲区错误漏洞 | |
| CVE-2018-16228 | tcpdump 缓冲区错误漏洞 | |
| CVE-2018-16229 | tcpdump 缓冲区错误漏洞 | |
| CVE-2018-16230 | tcpdump 缓冲区错误漏洞 | |
| CVE-2018-16300 | tcpdump 缓冲区错误漏洞 | |
| CVE-2018-16451 | tcpdump 缓冲区错误漏洞 | |
| CVE-2018-16452 | tcpdump 缓冲区错误漏洞 | |
| CVE-2019-15161 | libpcap 输入验证错误漏洞 | |
| CVE-2018-14882 | tcpdump 缓冲区错误漏洞 | |
| CVE-2019-15163 | libpcap 代码问题漏洞 | |
| CVE-2019-16931 | WordPress Visualizer插件跨站脚本漏洞 | |
| CVE-2019-15164 | libpcap 代码问题漏洞 | |
| CVE-2019-15165 | libpcap 输入验证错误漏洞 | |
| CVE-2019-16328 | RPyC 安全漏洞 | |
| CVE-2019-15766 | KSLABS KSWEB 代码注入漏洞 | |
| CVE-2019-16198 | KSLabs KSWEB 路径遍历漏洞 | |
| CVE-2019-17113 | libopenmpt 缓冲区错误漏洞 | |
| CVE-2018-14465 | tcpdump 缓冲区错误漏洞 |
Showing top 20 of 38 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2019-16866
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