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CVE-2011-4539Date: (C)2011-12-08   (M)2018-06-11


dhcpd in ISC DHCP 4.x before 4.2.3-P1 and 4.1-ESV before 4.1-ESV-R4 does not properly handle regular expressions in dhcpd.conf, which allows remote attackers to cause a denial of service (daemon crash) via a crafted request packet.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V2 Severity:
CVSS Score : 5.0
Exploit Score: 10.0
Impact Score: 2.9
 
CVSS V2 Metrics:
Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality: NONE
Integrity: NONE
Availability: PARTIAL
  
Reference:
SECTRACK-1026393
SECUNIA-47153
SECUNIA-47178
BID-50971
DSA-2519
FEDORA-2011-16976
FEDORA-2011-16981
GLSA-201301-06
MDVSA-2011:182
USN-1309-1
https://www.isc.org/software/dhcp/advisories/cve-2011-4539
isc-dhcp-dhcpd-regex-dos(71680)
openSUSE-SU-2011:1318

CPE    27
cpe:/a:isc:dhcp:4.0.0
cpe:/a:isc:dhcp:4.0.3:rc1
cpe:/a:isc:dhcp:4.0.1
cpe:/a:isc:dhcp:4.0.3
...
CWE    1
CWE-20
OVAL    11
oval:org.secpod.oval:def:103415
oval:org.secpod.oval:def:301107
oval:org.secpod.oval:def:500013
oval:org.secpod.oval:def:103453
...

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