CVEvulnerability
CVE-2011-4539
5.0 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2011-12-08
- Last modified
- 2026-06-16
- Assigner
- [email protected]
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-20
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.
Affected configurations
• isc dhcp 4.0
• isc dhcp 4.0.0
• isc dhcp 4.0.1
• isc dhcp 4.0.2
• isc dhcp 4.0.3
• isc dhcp 4.1.1
• isc dhcp 4.1.2
• isc dhcp 4.2.0
• isc dhcp 4.2.1
• isc dhcp 4.2.2
• isc dhcp 4.2.3
• isc dhcp 4.1-esv
• canonical ubuntu linux 11.04
• canonical ubuntu linux 11.10
• debian debian linux 6.0
• debian debian linux 7.0
Related
Weakness · CWE (1)
- CWE-20 Improper Input Validation weakness
References
- http://lists.fedoraproject.org/pipermail/package-announce/2011-December/070980.html Mailing List, Third Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071549.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2011-12/msg00006.html Mailing List, Third Party Advisory
- http://secunia.com/advisories/47153 Third Party Advisory
- http://secunia.com/advisories/47178 Third Party Advisory
- http://security.gentoo.org/glsa/glsa-201301-06.xml Third Party Advisory
- http://www.debian.org/security/2012/dsa-2519 Third Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:182 Third Party Advisory
- http://www.securityfocus.com/bid/50971 Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id?1026393 Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-1309-1 Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71680 Third Party Advisory, VDB Entry
- https://www.isc.org/software/dhcp/advisories/cve-2011-4539 Vendor Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2011-December/070980.html Mailing List, Third Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071549.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2011-12/msg00006.html Mailing List, Third Party Advisory
- http://secunia.com/advisories/47153 Third Party Advisory
- http://secunia.com/advisories/47178 Third Party Advisory
- http://security.gentoo.org/glsa/glsa-201301-06.xml Third Party Advisory
- http://www.debian.org/security/2012/dsa-2519 Third Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:182 Third Party Advisory
- http://www.securityfocus.com/bid/50971 Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id?1026393 Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-1309-1 Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71680 Third Party Advisory, VDB Entry
- https://www.isc.org/software/dhcp/advisories/cve-2011-4539 Vendor Advisory