VAR-200604-0535

Vulnerability from variot - Updated: 2025-04-03 22:41

Dnsmasq 2.29 allows remote attackers to cause a denial of service (application crash) via a DHCP client broadcast reply request. Dnsmasq is prone to a remote denial-of-service vulnerability.

TITLE: Dnsmasq DHCP Broadcast Reply Denial of Service

SECUNIA ADVISORY ID: SA19760

VERIFY ADVISORY: http://secunia.com/advisories/19760/

CRITICAL: Less critical

IMPACT: DoS

WHERE:

From local network

SOFTWARE: Dnsmasq 2.x http://secunia.com/product/4837/

DESCRIPTION: A vulnerability has been reported in Dnsmasq, which potentially can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an error within the handling of certain requests from a DHCP client.

The vulnerability has been reported in version 2.29.

SOLUTION: Update to version 2.30. http://thekelleys.org.uk/dnsmasq/

PROVIDED AND/OR DISCOVERED BY: The vendor credits Sandra Dekkers.

ORIGINAL ADVISORY: http://thekelleys.org.uk/dnsmasq/CHANGELOG

About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities.

Subscribe: http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.) http://secunia.com/about_secunia_advisories/

Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor.

Unsubscribe: Secunia Security Advisories http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org

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