Ubuntu Security Notice 3430-3 - USN-3430-2 fixed several vulnerabilities. The update introduced a new regression that breaks DNS resolution. This update addresses the problem. Felix Wilhelm, Fermin J. Serna, Gabriel Campana and Kevin Hamacher discovered that Dnsmasq incorrectly handled DNS requests. A remote attacker could use this issue to cause Dnsmasq to crash, resulting in a denial of service, or possibly execute arbitrary code. Various other issues were also addressed.
ee378bb57645a2d84370aab4dc638233e21bb225bd62f15b9bfc37f646a1ded4Gentoo Linux Security Advisory 201710-27 - Multiple vulnerabilities have been found in Dnsmasq, the worst of which may allow remote attackers to execute arbitrary code. Versions less than 2.78 are affected.
38689f62169ad9727d20db758cda09ebd860a0cf445ff581a92ce63c5f6b096aUbuntu Security Notice 3430-2 - USN-3430-1 fixed several vulnerabilities in Dnsmasq. This update provides the corresponding update for Ubuntu 12.04 ESM. A Felix Wilhelm, Fermin J. Serna, Gabriel Campana and Kevin Hamacher A discovered that Dnsmasq incorrectly handled DNS requests. A remote A attacker could use this issue to cause Dnsmasq to crash, resulting in A a denial of service, or possibly execute arbitrary code.A A Various other issues were also addressed.
af47e78fbed8bea2d0e91ae18d941fe35ccaff045fd6e05faf0764d15c245741Red Hat Security Advisory 2017-2836-01 - The dnsmasq packages contain Dnsmasq, a lightweight DNS forwarder and DHCP server. Security Fix: A heap buffer overflow was found in dnsmasq in the code responsible for building DNS replies. An attacker could send crafted DNS packets to dnsmasq which would cause it to crash or, potentially, execute arbitrary code. A heap buffer overflow was discovered in dnsmasq in the IPv6 router advertisement handling code. An attacker on the local network segment could send crafted RAs to dnsmasq which would cause it to crash or, potentially, execute arbitrary code. This issue only affected configurations using one of these options: enable-ra, ra-only, slaac, ra-names, ra-advrouter, or ra-stateless.
40f38afa9a7156950ba15636b6a23e5643072a5975f5c5d66d3df49b270e25fdUbuntu Security Notice 3430-1 - Felix Wilhelm, Fermin J. Serna, Gabriel Campana and Kevin Hamacher discovered that Dnsmasq incorrectly handled DNS requests. A remote attacker could use this issue to cause Dnsmasq to crash, resulting in a denial of service, or possibly execute arbitrary code. Felix Wilhelm, Fermin J. Serna, Gabriel Campana and Kevin Hamacher discovered that Dnsmasq incorrectly handled IPv6 router advertisements. A remote attacker could use this issue to cause Dnsmasq to crash, resulting in a denial of service, or possibly execute arbitrary code. Various other issues were also addressed.
3dad4acf0720be09289a42b685e45cc126f0c1cade57b137c68ab5283ae43c49Red Hat Security Advisory 2017-2837-01 - The dnsmasq packages contain Dnsmasq, a lightweight DNS forwarder and DHCP server. Security Fix: A heap buffer overflow was found in dnsmasq in the code responsible for building DNS replies. An attacker could send crafted DNS packets to dnsmasq which would cause it to crash or, potentially, execute arbitrary code. A heap buffer overflow was discovered in dnsmasq in the IPv6 router advertisement handling code. An attacker on the local network segment could send crafted RAs to dnsmasq which would cause it to crash or, potentially, execute arbitrary code. This issue only affected configurations using one of these options: enable-ra, ra-only, slaac, ra-names, ra-advrouter, or ra-stateless.
90869c50cad4aa9014f75fd6b9307d81979a791208e043f504a417a1e7001350Dnsmasq versions prior to 2.78 suffer from a stack-based overflow vulnerability.
e7693a6364ec3a51db0e94faef739843f2a7346005d5ab1cbade5c4cd89335da
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