Dhcpcd Packet Size Stack Buffer Overflow (CVE-2012-2152)
|Check Point Reference:||CPAI-2012-327|
|Source:||Debian Advisory DSA-2498-1|
|Protection Provided by:||
Who is Vulnerable?
Dhcpcd Dhcpcd 3.2.3
A stack buffer overflow vulnerability has been reported in dhcpcd.
The vulnerability is due to insufficient validation of a packet's size by a DHCP client. A remote attacker could exploit this issue by sending a specially crafted packet to the target host. Successful exploitation would allow an attacker to inject arbitrary code into the target DHCP Client.
This protection will detect and block attempts to exploit this vulnerability.
In order for the protection to be activated, update your product to the latest update. For information on how to update , go to SBP-2006-05, Protection tab and select the version of your choice.
To configure the defense, select your product from the list below and follow the related protection steps.
Security Gateway R75 / R71 / R70
How Can I Protect My Network?
- In the IPS tab, click Protections and find the Dhcpcd Packet Size Stack Buffer Overflow protection using the Search tool and Edit the protection's settings.
- Install policy on all modules.
How Do I Know if My Network is Under Attack?
SmartView Tracker will log the following entries:
Attack Name: DHCP Protection Violation
Attack Information: Dhcpcd Packet Size Stack Buffer Overflow