Check Point Reference: | CPAI-2015-0355 |
Date Published: | 26 Mar 2015 |
Severity: | Medium |
Last Updated: | Wednesday 27 January, 2021 |
Source: | |
Industry Reference: | CVE-2009-2958 |
Protection Provided by: |
Security Gateway |
Who is Vulnerable? | |
Vulnerability Description | A denial-of-service vulnerability has been reported in Thekelleys Dnsmasq. The vulnerability is due to a NULL pointer dereference in the tftp_request() function inside src/ftpd.c. Successful exploitation of this vulnerability would allow a remote attacker to create a denial of service condition on the affected system. |
This protection will detect and block attempts to exploit this vulnerability.
In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.
This protection's log will contain the following information:
Attack Name: DNS Enforcement Violation.
Attack Information: Dnsmasq Malicious BLKSIZE Option NULL Dereference Denial of Service