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Amazon Linux AMI 2: CVE-2018-5732: Security patch for dhcp (ALAS-2018-984)

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Amazon Linux AMI 2: CVE-2018-5732: Security patch for dhcp (ALAS-2018-984)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
10/09/2019
Created
05/08/2020
Added
04/27/2020
Modified
09/30/2022

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

Solution(s)

  • amazon-linux-ami-2-upgrade-dhclient
  • amazon-linux-ami-2-upgrade-dhcp
  • amazon-linux-ami-2-upgrade-dhcp-common
  • amazon-linux-ami-2-upgrade-dhcp-debuginfo
  • amazon-linux-ami-2-upgrade-dhcp-devel
  • amazon-linux-ami-2-upgrade-dhcp-libs

References

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