CVE-2009-2958

The tftprequest function in tftp.c in dnsmasq before 2.50, when --enable-tftp is used, allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via a TFTP read aka RRQ request with a malformed blksize option...

CVE-2009-2958

The tftprequest function in tftp.c in dnsmasq before 2.50, when --enable-tftp is used, allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via a TFTP read aka RRQ request with a malformed blksize option...

CVE-2009-2957

Heap-based buffer overflow in the tftprequest function in tftp.c in dnsmasq before 2.50, when --enable-tftp is used, might allow remote attackers to execute arbitrary code via a long filename in a TFTP packet, as demonstrated by a read aka RRQ request...

CVE-2009-2957

Heap-based buffer overflow in the tftprequest function in tftp.c in dnsmasq before 2.50, when --enable-tftp is used, might allow remote attackers to execute arbitrary code via a long filename in a TFTP packet, as demonstrated by a read aka RRQ request...

Null pointer dereference

The tftprequest function in tftp.c in dnsmasq before 2.50, when --enable-tftp is used, allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via a TFTP read aka RRQ request with a malformed blksize option...

CVE-2009-2958

The tftprequest function in tftp.c in dnsmasq before 2.50, when --enable-tftp is used, allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via a TFTP read aka RRQ request with a malformed blksize option...

CVE-2009-2957

Dnsmasq (dnsmasq) contains a heap-based buffer overflow in the TFTP handling path (tftp_request) when the --enable-tftp option is used, allowing remote attackers to potentially execute arbitrary code or crash the service by sending a crafted TFTP RRQ with a long filename. A related NULL-pointer d...

CVE-2009-2958

CVE-2009-2958 affects the dnsmasq TFTP implementation. The vulnerability exists in tftp_request() in dnsmasq before 2.50 when --enable-tftp is used, allowing remote attackers to crash the daemon via a crafted TFTP read request that triggers a NULL pointer dereference (DoS). The related issue CVE-...

CVE-2009-2957

Heap-based buffer overflow in the tftprequest function in tftp.c in dnsmasq before 2.50, when --enable-tftp is used, might allow remote attackers to execute arbitrary code via a long filename in a TFTP packet, as demonstrated by a read aka RRQ request...

CVE-2009-2958

The tftprequest function in tftp.c in dnsmasq before 2.50, when --enable-tftp is used, allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via a TFTP read aka RRQ request with a malformed blksize option...

CVE-2009-2957

Heap-based buffer overflow in the tftprequest function in tftp.c in dnsmasq before 2.50, when --enable-tftp is used, might allow remote attackers to execute arbitrary code via a long filename in a TFTP packet, as demonstrated by a read aka RRQ request...

CVE-2009-2958

The tftprequest function in tftp.c in dnsmasq before 2.50, when --enable-tftp is used, allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via a TFTP read aka RRQ request with a malformed blksize option...

RedHat Security Advisory RHSA-2009:1238

The remote host is missing updates announced in advisory RHSA-2009:1238. Dnsmasq is a lightweight and easy to configure DNS forwarder and DHCP server. Core Security Technologies discovered a heap overflow flaw in dnsmasq when the TFTP service is enabled the --enable-tftp command line option, or b...

[SECURITY] [DSA 1876-1] New dnsmasq packages fix remote code execution

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - ------------------------------------------------------------------------ Debian Security Advisory DSA-1876-1 [email protected] http://www.debian.org/security/ Florian Weimer September 01, 2009 http://www.debian.org/security/faq -...

SolarWinds TFTP Server OACK请求拒绝服务漏洞

BUGTRAQ ID: 36182 SolarWinds TFTP服务程序可以同时发送和接收多个文件，常用于下载/上传路由器、交换机等可执行映象和配置文件。 远程攻击者可以通过向SolarWinds TFTP服务器发送特制的选项确认（OACK）请求报文导致服务器终止。 SolarWinds TFTP Server = 9.2.0.111 厂商补丁： SolarWinds ---------- 目前厂商还没有提供补丁或者升级程序，我们建议使用此软件的用户随时关注厂商的主页以获取最新版本： http://solarwinds.net !/usr/bin/perl SolarWinds TFT...

Core Security Technologies Advisory 2009.0820

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Core Security Technologies - CoreLabs Advisory http://www.coresecurity.com/corelabs/ Dnsmasq Heap Overflow and Null-pointer Dereference on TFTP Server 1. Advisory Information Title: Dnsmasq Heap Overflow and Null-pointer Dereference on TFTP Server...

Dnsmasq TFTP服务远程空指针引用漏洞

BUGTRAQ ID: 36120 CVECAN ID: CVE-2009-2958 Dnsmasq是可方便配置的轻型DNS转发器和DHCP服务器。 dnsmasq在启用了TFTP服务的时候存在空指针引用漏洞，可能允许恶意的TFTP服务端导致dnsmasq服务崩溃。 漏洞的起因是以下循环中的第一个if： /----------- while opt = next&p, end if strcasecmpopt, "blksize" == 0 && opt = next&p, end && !daemon-options & OPTTFTPNOBLOCK transfer-blocksiz...

Dnsmasq TFTP Service 2.40 - 2.49 Multiple Vulnerabilities

Dnsmasq is prone to a remotely exploitable heap-overflow vulnerability because the software fails to properly bounds-check user-supplied input before copying it into an insufficiently sized memory buffer. Copyright C 2009 Greenbone Networks GmbH Some text descriptions might be excerpted from a...

openSUSE Security Update : dnsmasq (dnsmasq-1241)

This update fixes a buffer overflow in the TFTP server code of dnsmasq. Please note that the TFTP server is disabled by default. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from openSUSE Security Update dnsmasq-1241. T...

RHEL 5 : dnsmasq (RHSA-2009:1238)

An updated dnsmasq package that fixes two security issues is now available for Red Hat Enterprise Linux 5. This update has been rated as having important security impact by the Red Hat Security Response Team. Dnsmasq is a lightweight and easy to configure DNS forwarder and DHCP server. Core...