CVE20265172poc

CVE20265172poc CVE-2026-5172: desbordamiento de búfer en extractaddresses en un PoC de registro de recursos manipulado Topología: leer aquí https://medium.com/@yanyuyingshu/reproduction-journal-dnsmasq-ecs-validation-and-buffer-overflow-flaws-e0fe0f66f60c Pasos​ 1. vi /etc/dnsmasq.conf​ port=5353...

CVE20264893poc

Topología: https://medium.com/@yanyuyingshu/reproduction-journal-dnsmasq-ecs-validation-and-buffer-overflow-flaws-e0fe0f66f60c Pasos​ 1.vi /etc/dnsmasq.conf​ port=5353​ listen-address=xxx.xxx.xxx.x bind-interfaces​ no-resolv​ no-hosts​ no-poll​ cache-size=1000​ log-queries​ log-facility=-​...

dnspooq

dnspooq DNSpooq PoC - envenenamiento de caché de dnsmasq CVE-2020-25686, CVE-2020-25684, CVE-2020-25685 Solo con fines educativos Requisitos Docker compose Docker Exploit Iniciar contenedores $ docker-compose up -d Ejecutar exploit.py $ docker-compose exec attacker bash bash-5.0 python exploit.py...

access-point

Punto de acceso falso Punto de acceso Wi‑Fi abierto no autorizado para captura de tráfico en entornos controlados. Usa hostapd modo AP nativo nl80211 + dnsmasq DHCP/DNS + iptables NAT hacia una interfaz de enlace ascendente. Requisitos Linux, root. Tarjeta inalámbrica con soporte de modo AP iw ph...

bof-dnsmasq-cve-2017-14493

bof-dnsmasq-cve-2017-14493...

docker-onion-nmap

docker-onion-nmap Use nmap to scan hidden "onion" services on the Tor network. Minimal image based on alpine, using proxychains to wrap nmap. Tor and dnsmasq are run as daemons via s6, and proxychains wraps nmap to use the Tor SOCKS proxy on port 9050. Tor is also configured via DNSPort to...

dnsmasq-2.4.1-fix-CVE-2017-14491

dnsmasq-2.4.1-fix-CVE-2017-14491...

Multiple Vulnerabilities in Dnsmasq (CVE-2026-4890, CVE-2026-4891, CVE-2026-42959, CVE-2026-4892, CVE-2026-4893)

Brocade is issuing a security advisory addressing multiple vulnerabilities identified in dnsmasq component used across affected products. These vulnerabilities range from memory corruption and heap-based out-of-bounds reads/writes to uncontrolled resource consumption leading to Denial of Service...

CVE-2026-35517

CVE-2026-35517 - Pi-hole FTLDNS Remote Code Execution via Newline Injection TL;DR A Remote Code Execution vulnerability in Pi-hole's FTLDNS engine versions 6.0 through 6.5 allows an authenticated attacker to inject arbitrary dnsmasq configuration directives by embedding newline characters \n into...

Netgear_Pwn2Own2021

Netgear R6700v3 WAN RCE - Pwn2Own 2021 Este es el código utilizado durante Pwn2Own 2021 para obtener una shell remota en el Netgear R6700v3. Entrada del blog: https://synacktiv.com/publications/pwn2own-austin-2021-defeating-the-netgear-r6700v3 Requisitos python3 con flask dnsmasq Uso 1. Ejecutar...

AlmaLinux 9.2 [TuxCare] Security Update: dnsmasq / dnsmasq-utils (ALMALINUX9.2:CLSA-2026:1784645899)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1784645899 advisory. - A heap-based buffer overflow was found in dnsmasq. When DNSSEC validation and query logging are both enabled, logging of DS or DNSKEY repli...

Rocky Linux 8 [CIQ] Security Update: dnsmasq / dnsmasq-debuginfo / dnsmasq-debugsource / dnsmasq-utils / etc (crlsa-2022_7633)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20227633 advisory. dnsmasq: Heap use after free in dhcp6norelay CVE-2022-0934 Tenable has extracted the preceding description block directly from the CIQ security advisory. Note that...

Rocky Linux 9.6 [TuxCare] Security Update: dnsmasq / dnsmasq-utils Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1779437548)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1779437548 advisory. - dnsmasqs extractname function can be abused to cause a heap buffer overflow, allowing an attacker to inject false DNS cache...

CentOS Linux 7.9 [CIQ] Security Update: dnsmasq / dnsmasq-debuginfo / dnsmasq-utils Multiple Vulnerabilities (ciqsa-2026_1468)

The CentOS Linux 7.9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-20261468 advisory. This advisory aggregates security fixes for the dnsmasq SRPM in CIQ CentOS Bridge 7.9. It addresses 5 CVEs: CVE-2022-0934, CVE-2026-4892, CVE-2026-4891,...

Rocky Linux 9.6 [CIQ] Security Update: dnsmasq / dnsmasq-debuginfo / dnsmasq-debugsource / dnsmasq-utils / etc Multiple Vulnerabilities (ciqsa-2026_1462)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-20261462 advisory. This advisory aggregates security fixes for the dnsmasq SRPM in CIQ LTS 9.6. It addresses 3 CVEs: CVE-2026-2291, CVE-2026-4890, CVE-2026-4893. Tenable ha...

AlmaLinux 9.2 [TuxCare] Security Update: dnsmasq / dnsmasq-utils Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2025:1745269163)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1745269163 advisory. - Certain DNSSEC aspects of the DNS protocol in RFC 4033, 4034, 4035, 6840, and related RFCs allow remote attackers to cause a denia...

Rocky Linux 8.6 [CIQ] Security Update: dnsmasq / dnsmasq-debuginfo / dnsmasq-debugsource / dnsmasq-utils / etc Multiple Vulnerabilities (ciqsa-2026_0034)

The Rocky Linux 8.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-20260034 advisory. This advisory aggregates security fixes for the dnsmasq SRPM in CIQ LTS 8.6. It addresses 4 CVEs: CVE-2023-50868, CVE-2022-0934, CVE-2023-50387,...

AlmaLinux 9.2 [TuxCare] Security Update: dnsmasq / dnsmasq-utils (ALMALINUX9.2:CLSA-2025:1744628407)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1744628407 advisory. - An issue was discovered in Dnsmasq before 2.90. The default maximum EDNS.0 UDP packet size was set to 4096 but should be 1232 because of DN...

Rocky Linux 8 [CIQ] Security Update: dnsmasq / dnsmasq-debuginfo / dnsmasq-debugsource / dnsmasq-utils / etc Multiple Vulnerabilities (crlsa-2026_20589)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202620589 advisory. dnsmasq: dnsmasq: heap buffer overflow in cache via NAMEESCAPE expansion CVE-2026-2291 dnsmasq: NSEC bitmap parsing infinite loop CVE-2026-4890 dnsmasq:...

Rocky Linux 9.4 [CIQ] Security Update: dnsmasq / dnsmasq-debuginfo / dnsmasq-debugsource / dnsmasq-utils / etc Multiple Vulnerabilities (ciqsa-2026_1387)

The Rocky Linux 9.4 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-20261387 advisory. This advisory aggregates security fixes for the dnsmasq SRPM in CIQ LTS 9.4. It addresses 2 CVEs: CVE-2026-4892, CVE-2026-4891. Tenable has extracted the...