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Status published
Medium
CVE-2011-4539
dhcpd in ISC DHCP 4.x before 4.2.3-P1 and 4.1-ESV before...
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:182
- http://secunia.com/advisories/47153
- http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071549.html
- http://www.ubuntu.com/usn/USN-1309-1
- http://lists.opensuse.org/opensuse-updates/2011-12/msg00006.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71680
- http://secunia.com/advisories/47178
- https://www.isc.org/software/dhcp/advisories/cve-2011-4539
- http://lists.fedoraproject.org/pipermail/package-announce/2011-December/070980.html
- http://www.debian.org/security/2012/dsa-2519
- http://www.securitytracker.com/id?1026393
- http://security.gentoo.org/glsa/glsa-201301-06.xml
- http://www.securityfocus.com/bid/50971
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Affected Vendor
Affected Software
dhcp, ubuntu linux, debian linux
Vulnerable Versions:
4.0, 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.1.1, 4.1.2, 4.2.0, 4.2.1, 4.2.2, 4.2.3, 4.1-esv, 11.04, 11.10, 6.0, 7.0
Timeline
Official Publish:
December 8th, 2011
Last Modified:
August 7th, 2024
Added to House:
July 19th, 2026
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.