National Vulnerability Database

National Vulnerability Database

National Vulnerability
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Search Parameters:
  • Contains Software Flaws (CVE)
  • CPE Product Version: cpe:/a:isc:dhcp:4.1-esv:r12_p1
There are 3 matching records.
Vuln ID Summary CVSS Severity
CVE-2018-5732

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

Published: October 09, 2019; 12:15:13 PM -04:00
V3.1: 7.5 HIGH
    V2: 5.0 MEDIUM
CVE-2018-5733

A malicious client which is allowed to send very large amounts of traffic (billions of packets) to a DHCP server can eventually overflow a 32-bit reference counter, potentially causing dhcpd to crash. Affects ISC DHCP 4.1.0 -> 4.1-ESV-R15, 4.2.0 -> 4.2.8, 4.3.0 -> 4.3.6, 4.4.0.

Published: January 16, 2019; 03:29:00 PM -05:00
V3.1: 7.5 HIGH
    V2: 5.0 MEDIUM
CVE-2017-3144

A vulnerability stemming from failure to properly clean up closed OMAPI connections can lead to exhaustion of the pool of socket descriptors available to the DHCP server. Affects ISC DHCP 4.1.0 to 4.1-ESV-R15, 4.2.0 to 4.2.8, 4.3.0 to 4.3.6. Older versions may also be affected but are well beyond their end-of-life (EOL). Releases prior to 4.1.0 have not been tested.

Published: January 16, 2019; 03:29:00 PM -05:00
V3.1: 7.5 HIGH
    V2: 5.0 MEDIUM