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ubuntucveUbuntu.comUB:CVE-2011-0997
HistoryApr 08, 2011 - 12:00 a.m.

CVE-2011-0997

2011-04-0800:00:00
ubuntu.com
ubuntu.com
25

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

0.968

Percentile

99.7%

JSON

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.

Bugs

Notes

Author Note
mdeslaur a couple of fixes post isc release are included in redhat’s bug patches are from Marius Tomaschewski
OSVersionArchitecturePackageVersionFilename
ubuntu6.06noarchdhcp3< 3.0.3-6ubuntu7.2UNKNOWN
ubuntu8.04noarchdhcp3< 3.0.6.dfsg-1ubuntu9.2UNKNOWN
ubuntu9.10noarchdhcp3< 3.1.2-1ubuntu7.2UNKNOWN
ubuntu10.04noarchdhcp3< 3.1.3-2ubuntu3.1UNKNOWN
ubuntu10.10noarchdhcp3< 3.1.3-2ubuntu6.1UNKNOWN

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CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

0.968

Percentile

99.7%

JSON
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