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CVE-2011-4868

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.

ISC DHCP是一种开源的DHCP服务器实现。 ISC DHCP在实现上存在安全漏洞，恶意用户可利用该漏洞造成拒绝服务。此漏洞源于在更新Dynamic DNS租用状态时，处理DHCPv6租用结构中存在空指针引用错误，通过发送特制的DHCP报文造成崩溃。

AI Predicted 7.5 Difficulty: Easy EPSS 3.41% · P89

Possible ATT&CK Techniques 2 AI

T1499 · Endpoint Denial of Service T1024
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I. Basic Information for CVE-2011-4868

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The logging functionality in dhcpd in ISC DHCP before 4.2.3-P2, when using Dynamic DNS (DDNS) and issuing IPv6 addresses, does not properly handle the DHCPv6 lease structure, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via crafted packets related to a lease-status update.
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
ISC DHC资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ISC DHCP是一种开源的DHCP服务器实现。 ISC DHCP在实现上存在安全漏洞，恶意用户可利用该漏洞造成拒绝服务。此漏洞源于在更新Dynamic DNS租用状态时，处理DHCPv6租用结构中存在空指针引用错误，通过发送特制的DHCP报文造成崩溃。
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-2011-4868

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III. Intelligence Information for CVE-2011-4868

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Vendor Advisories for CVE-2011-4868 (1)

Other References for CVE-2011-4868 (2)

Same Patch Batch · n/a · 2012-01-15 · 7 CVEs total

CVE-2011-1362 IBM WebSphere Application Server跨站脚本漏洞
CVE-2011-1377 IBM WebSphere Application Server 未明安全漏洞
CVE-2011-5065 IBM WebSphere Application Server跨站脚本漏洞
CVE-2011-5066 IBM WebSphere Application Server敏感信息泄露漏洞
CVE-2012-0266 NTR ActiveX缓冲区溢出漏洞
CVE-2012-0267 NTR ActiveX ‘StopModule’任意代码执行漏洞

IV. Related Vulnerabilities

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