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CVE-2016-7068

Quick assessment

Affected
Open-Xchange pdns
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

PowerDNS Authoritative Server和PowerDNS Recursor都是荷兰PowerDNS公司的产品。PowerDNS Authoritative Server是一款DNS服务器。PowerDNS Recursor是一款域名解析服务器。 PowerDNS Authoritative Server和PowerDNS Recursor中存在安全漏洞。远程攻击者可借助特制的DNS查询利用该漏洞造成拒绝服务（系统过载）。以下产品和版本受到影响：PowerDNS Authoritativ

AI Predicted 7.5 Difficulty: Easy EPSS 7.29% · P94

Possible ATT&CK Techniques 1 AI

T1297
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I. Basic Information for CVE-2016-7068

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue has been found in PowerDNS before 3.4.11 and 4.0.2, and PowerDNS recursor before 3.7.4 and 4.0.4, allowing a remote, unauthenticated attacker to cause an abnormal CPU usage load on the PowerDNS server by sending crafted DNS queries, which might result in a partial denial of service if the system becomes overloaded. This issue is based on the fact that the PowerDNS server parses all records present in a query regardless of whether they are needed or even legitimate. A specially crafted query containing a large number of records can be used to take advantage of that behaviour.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
PowerDNS Authoritative Server和PowerDNS Recursor 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PowerDNS Authoritative Server和PowerDNS Recursor都是荷兰PowerDNS公司的产品。PowerDNS Authoritative Server是一款DNS服务器。PowerDNS Recursor是一款域名解析服务器。 PowerDNS Authoritative Server和PowerDNS Recursor中存在安全漏洞。远程攻击者可借助特制的DNS查询利用该漏洞造成拒绝服务（系统过载）。以下产品和版本受到影响：PowerDNS Authoritativ
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
Open-Xchange pdns 3.4.11 -

II. Public POCs for CVE-2016-7068

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III. Intelligence Information for CVE-2016-7068

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Vendor Advisories for CVE-2016-7068 (3)

Other References for CVE-2016-7068 (1)

Same Patch Batch · Open-Xchange · 2018-09-11 · 4 CVEs total

CVE-2016-7069 dnsdist 安全漏洞
CVE-2016-7073 PowerDNS Authoritative Server和PowerDNS Recursor 安全漏洞
CVE-2016-7074 PowerDNS Authoritative Server和PowerDNS Recursor 安全漏洞

IV. Related Vulnerabilities

Same product: pdns
Same vendor: Open-Xchange
Same weakness: CWE-20

V. Comments for CVE-2016-7068

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