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dhclient: insufficient sanitization of certain DHCP response values

🗓️ 08 Apr 2011 14:38:00Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 6 Views

Dhclient fails to sanitize DHCP hostnames, enabling remote command execution via metacharacters.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux4i386dhclient7:3.0.1-67.el4dhclient-7:3.0.1-67.el4.i386.rpm
Red Hat Enterprise Linux4ia64dhclient7:3.0.1-67.el4dhclient-7:3.0.1-67.el4.ia64.rpm
Red Hat Enterprise Linux4ppcdhclient7:3.0.1-67.el4dhclient-7:3.0.1-67.el4.ppc.rpm
Red Hat Enterprise Linux4s390dhclient7:3.0.1-67.el4dhclient-7:3.0.1-67.el4.s390.rpm
Red Hat Enterprise Linux4s390xdhclient7:3.0.1-67.el4dhclient-7:3.0.1-67.el4.s390x.rpm
Red Hat Enterprise Linux4x86_64dhclient7:3.0.1-67.el4dhclient-7:3.0.1-67.el4.x86_64.rpm
Red Hat Enterprise Linux5.6i386dhclient12:3.0.5-23.el5_6.4dhclient-12:3.0.5-23.el5_6.4.i386.rpm
Red Hat Enterprise Linux5.6ia64dhclient12:3.0.5-23.el5_6.4dhclient-12:3.0.5-23.el5_6.4.ia64.rpm
Red Hat Enterprise Linux5.6ppcdhclient12:3.0.5-23.el5_6.4dhclient-12:3.0.5-23.el5_6.4.ppc.rpm
Red Hat Enterprise Linux5.6s390xdhclient12:3.0.5-23.el5_6.4dhclient-12:3.0.5-23.el5_6.4.s390x.rpm
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25 Jun 2026 10:37Current
6.2Medium risk
Vulners AI Score6.2
CVSS 27.5
EPSS0.84292
6