CVE-2011-4539
5 Medium
CVSS2
Attack Vector
NETWORK
Attack 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
6.2 Medium
AI Score
Confidence
Low
0.028 Low
EPSS
Percentile
90.7%
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.
Affected configurations
References
lists.fedoraproject.org/pipermail/package-announce/2011-December/070980.html
lists.fedoraproject.org/pipermail/package-announce/2012-January/071549.html
lists.opensuse.org/opensuse-updates/2011-12/msg00006.html
secunia.com/advisories/47153
secunia.com/advisories/47178
security.gentoo.org/glsa/glsa-201301-06.xml
www.debian.org/security/2012/dsa-2519
www.mandriva.com/security/advisories?name=MDVSA-2011:182
www.securityfocus.com/bid/50971
www.securitytracker.com/id?1026393
www.ubuntu.com/usn/USN-1309-1
exchange.xforce.ibmcloud.com/vulnerabilities/71680
www.isc.org/software/dhcp/advisories/cve-2011-4539
Related
5 Medium
CVSS2
Attack Vector
NETWORK
Attack 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
6.2 Medium
AI Score
Confidence
Low
0.028 Low
EPSS
Percentile
90.7%