Improper input validation in Isc Dhcp
CVE-2011-4539
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.152 (96.6th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.152 · newest: 0.152 · change: 0.000
Affected products
- Isc Dhcp — versions 4.0, 4.0.0, 4.0.1
- Canonical Ubuntu Linux — versions 11.04, 11.10
- Debian Linux — versions 6.0, 7.0
Weakness classification (CWE)
References
- www.mandriva.com/security/advisories (vendor-advisory, Third Party Advisory)
- secunia.com/advisories/47153 (Third Party Advisory, third-party-advisory)
- lists.fedoraproject.org/pipermail/package-announce/2012-January/071549.html (vendor-advisory, Mailing List, Third Party Advisory)
- www.ubuntu.com/usn/USN-1309-1 (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-updates/2011-12/msg00006.html (vendor-advisory, Mailing List, Third Party Advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/71680 (VDB Entry, Third Party Advisory, vdb-entry)
- secunia.com/advisories/47178 (Third Party Advisory, third-party-advisory)
- www.isc.org/software/dhcp/advisories/cve-2011-4539 (Vendor Advisory)
- lists.fedoraproject.org/pipermail/package-announce/2011-December/070980.html (vendor-advisory, Mailing List, Third Party Advisory)
- www.debian.org/security/2012/dsa-2519 (vendor-advisory, Third Party Advisory)