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freebsdFreeBSD93BE487E-211F-11E1-89B4-001EC9578670
HistoryDec 07, 2011 - 12:00 a.m.

isc-dhcp-server -- Remote DoS

2011-12-0700:00:00
vuxml.freebsd.org
12

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.02 Low

EPSS

Percentile

88.7%

ISC reports:

A bug exists which allows an attacker who is able to send DHCP
Request packets, either directly or through a relay, to remotely
crash an ISC DHCP server if that server is configured to evaluate
expressions using a regular expression (i.e. uses the “~=” or
“~~” comparison operators).

OSVersionArchitecturePackageVersionFilename
FreeBSDanynoarchisc-dhcp42-server< 4.2.3_1UNKNOWN
FreeBSDanynoarchisc-dhcp41-server< 4.1.e_3,2UNKNOWN

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.02 Low

EPSS

Percentile

88.7%