CVE-2018-5732— A specially constructed response from a malicious server can cause a buffer overflow in dhclient
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I. Basic Information for CVE-2018-5732
Vulnerability Information
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Vulnerability Title
A specially constructed response from a malicious server can cause a buffer overflow in dhclient
Source: NVD (National Vulnerability Database)
Vulnerability Description
Failure to properly bounds-check a buffer used for processing DHCP options allows a malicious server (or an entity masquerading as a server) to cause a buffer overflow (and resulting crash) in dhclient by sending a response containing a specially constructed options section. Affects ISC DHCP versions 4.1.0 -> 4.1-ESV-R15, 4.2.0 -> 4.2.8, 4.3.0 -> 4.3.6, 4.4.0
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
ISC DHCP 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ISC DHCP是美国ISC公司的一套开源的动态主机配置协议服务器软件。 ISC DHCP中存在缓冲区错误漏洞，该漏洞源于程序没有正确的对用户提交的输入执行边界检测，导致复制的数据超过了缓冲区的空间。远程攻击者可利用该漏洞造成拒绝服务。以下版本受到影响：DHCP 4.1.0版本至4.1-ESV-R15版本，4.2.0版本至4.2.8版本，4.3.0版本至4.3.6版本，4.4.0版本。
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
II. Public POCs for CVE-2018-5732
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Same Patch Batch · ISC · 2019-10-09 · 9 CVEs total
| CVE-2018-5743 | Limiting simultaneous TCP clients was ineffective | |
| CVE-2018-5744 | A specially crafted packet can cause named to leak memory | |
| CVE-2018-5745 | An assertion failure can occur if a trust anchor rolls over to an unsupported key algorith | |
| CVE-2019-6465 | Zone transfer controls for writable DLZ zones were not effective | |
| CVE-2019-6467 | An error in the nxdomain redirect feature can cause BIND to exit with an INSIST assertion | |
| CVE-2019-6468 | BIND Supported Preview Edition can exit with an assertion failure if nxdomain-redirect is | |
| CVE-2019-6469 | BIND Supported Preview Edition can exit with an assertion failure if ECS is in use | |
| CVE-2019-6471 | A race condition when discarding malformed packets can cause BIND to exit with an assertio |
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V. Comments for CVE-2018-5732
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