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ID:11609 - Exploit for NULL pointer dereference in Dnsmasq - CVE-2009-2958
ID:11609 - Exploit for NULL pointer dereference in Dnsmasq - CVE-2009-2958
Published: June 13, 2025
Vulnerability identifier: #VU110634
Vulnerability risk: Medium
CVE-ID: CVE-2009-2958
CWE-ID: CWE-476
Exploitation vector: Adjecent network
Vulnerable software:
Dnsmasq
Dnsmasq
Link to public exploit:
Vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error within the tftp_request() function in tftp.c. A remote attacker can trigger denial of service conditions via a TFTP read (aka RRQ) request with a malformed blksize option.
Remediation
Install update from vendor's website.