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DEBIAN-CVE-2011-0997

DEBIAN-CVE-2011-0997 PUBLISHED CVSS 9.300000190734863 CRITICAL

dhclient in ISC DHCP 3.0.x through 4.2.x before 4.2.1-P1, 3.1-ESV before 3.1-ESV-R1, and 4.1-ESV before 4.1-ESV-R2 allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a DHCP message, as demonstrated by a hostname that is provided to dhclient-script.

Risk Scores

CVSS v4.0
9.300000190734863
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected Products

VendorProductVersions
Debian:12isc-dhcp0, 0, 0
Debian:13isc-dhcp0, 0, 0
Debian:11isc-dhcp0, 0, 0

Timeline

  • Apr 8, 2011 CVE Published
  • Apr 28, 2026 CVE Updated
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