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CVE-2015-7691

Quick assessment

Affected
n/a n/a
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.

NTP（Network Time Protocol，网络时间协议）是一款通过网络同步计算机时钟的协议。 NTP 4.2.8p4之前版本和4.3.77之前4.3.x版本中存在安全漏洞，该漏洞源于程序没有正确检查数据包长度。攻击者可利用该漏洞造成拒绝服务（ntpd崩溃）。（注：该漏洞源于CNNVD-201510-026补丁的不完全修复）

AI Predicted 7.5 Difficulty: Easy EPSS 7.10% · P94

Possible ATT&CK Techniques 1 AI

T1499.001 · OS Exhaustion Flood
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I. Basic Information for CVE-2015-7691

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The crypto_xmit function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (crash) via crafted packets containing particular autokey operations. NOTE: This vulnerability exists due to an incomplete fix for CVE-2014-9750.
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
NTP 拒绝服务漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NTP（Network Time Protocol，网络时间协议）是一款通过网络同步计算机时钟的协议。 NTP 4.2.8p4之前版本和4.3.77之前4.3.x版本中存在安全漏洞，该漏洞源于程序没有正确检查数据包长度。攻击者可利用该漏洞造成拒绝服务（ntpd崩溃）。（注：该漏洞源于CNNVD-201510-026补丁的不完全修复）
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 -

II. Public POCs for CVE-2015-7691

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III. Intelligence Information for CVE-2015-7691

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Vendor Advisories for CVE-2015-7691 (8)

Other References for CVE-2015-7691 (2)

Same Patch Batch · n/a · 2017-08-07 · 117 CVEs total

CVE-2017-12653 Qihu 360 Total Security 权限许可和访问控制问题漏洞
CVE-2015-7704 NTP 安全漏洞
CVE-2015-7702 NTP 拒绝服务漏洞
CVE-2015-7701 NTP 拒绝服务漏洞
CVE-2015-7692 NTP 拒绝服务漏洞
CVE-2015-7571 Yeager 任意文件上传漏洞
CVE-2015-5946 SugarCRM 安全漏洞
CVE-2015-5244 mod_nss 安全绕过漏洞
CVE-2014-9831 ImageMagick 安全漏洞
CVE-2014-9830 ImageMagick 安全漏洞
CVE-2014-9828 ImageMagick 安全漏洞
CVE-2014-9827 ImageMagick 安全漏洞
CVE-2014-3462 EncFS 信息泄露漏洞
CVE-2014-1235 Graphviz‘yyerror()’函数基于栈的缓冲区溢出漏洞
CVE-2017-12654 ImageMagick 缓冲区错误漏洞
CVE-2014-9260 WordPress Download Manager 安全漏洞
CVE-2015-1555 Zend Framework 安全漏洞
CVE-2015-1378 Debian 安全漏洞
CVE-2014-9262 Wordpress Duplicator 安全漏洞
CVE-2015-3839 Android 安全漏洞

Showing top 20 of 117 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

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