CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.2 | $0-$5k | 0.00 |
A vulnerability was found in ISC dhcp up to 4.2.3 (Network Management Software). It has been classified as critical. This affects an unknown part. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. The summary by CVE is:
The logging functionality in dhcpd in ISC DHCP before 4.2.3-P2, when using Dynamic DNS (DDNS) and issuing IPv6 addresses, does not properly handle the DHCPv6 lease structure, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via crafted packets related to a lease-status update.
The weakness was disclosed 01/14/2012 (Website). The advisory is shared at isc.org. This vulnerability is uniquely identified as CVE-2011-4868 since 12/19/2011. The exploitability is told to be easy. The attack needs to be done within the local network. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.
The vulnerability scanner Nessus provides a plugin with the ID 57625 (Fedora 16 : dhcp-4.2.3-5.P2.fc16 (2012-0490)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks.
Upgrading to version 4.0.0 eliminates this vulnerability.
The vulnerability is also documented in the databases at X-Force (72378), Tenable (57625), SecurityFocus (BID 51408†) and Vulnerability Center (SBV-34314†).
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.5VulDB Meta Temp Score: 6.2
VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Resource managementCWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 57625
Nessus Name: Fedora 16 : dhcp-4.2.3-5.P2.fc16 (2012-0490)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍
OpenVAS ID: 71989
OpenVAS Name: Slackware Advisory SSA:2012-237-01 dhcp
OpenVAS File: 🔍
OpenVAS Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: dhcp 4.0.0
McAfee IPS: 🔍
McAfee IPS Version: 🔍
ISS Proventia IPS: 🔍
Timeline
12/19/2011 🔍01/12/2012 🔍
01/14/2012 🔍
01/14/2012 🔍
01/14/2012 🔍
01/23/2012 🔍
01/24/2012 🔍
03/23/2015 🔍
11/28/2021 🔍
Sources
Vendor: isc.orgAdvisory: isc.org
Status: Not defined
Confirmation: 🔍
CVE: CVE-2011-4868 (🔍)
X-Force: 72378
SecurityFocus: 51408 - ISC DHCP Server DHCPv6 NULL Pointer Dereference Denial Of Service Vulnerability
Vulnerability Center: 34314 - ISC DHCP Before 4.2.3-P2 DHCPv6 Lease Structure Remote DoS Vulnerability via Crafted Packets, Medium
Entry
Created: 03/23/2015 04:50 PMUpdated: 11/28/2021 10:23 PM
Changes: 03/23/2015 04:50 PM (61), 04/09/2017 01:37 PM (12), 11/28/2021 10:23 PM (3)
Complete: 🔍
Cache ID: 18:264:40
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