USN-4698-1: Dnsmasq vulnerabilities<\/p>\n
Moshe Kol and Shlomi Oberman discovered that Dnsmasq incorrectly handled
\nmemory when sorting RRsets. A remote attacker could use this issue to cause
\nDnsmasq to hang, resulting in a denial of service, or possibly execute
\narbitrary code. (CVE-2020-25681, CVE-2020-25687)<\/p>\n
Moshe Kol and Shlomi Oberman discovered that Dnsmasq incorrectly handled
\nextracting certain names. A remote attacker could use this issue to cause
\nDnsmasq to hang, resulting in a denial of service, or possibly execute
\narbitrary code. (CVE-2020-25682, CVE-2020-25683)<\/p>\n
Moshe Kol and Shlomi Oberman discovered that Dnsmasq incorrectly
\nimplemented address\/port checks. A remote attacker could use this issue to
\nperform a cache poisoning attack. (CVE-2020-25684)<\/p>\n
Moshe Kol and Shlomi Oberman discovered that Dnsmasq incorrectly
\nimplemented query resource name checks. A remote attacker could use this
\nissue to perform a cache poisoning attack. (CVE-2020-25685)<\/p>\n
Moshe Kol and Shlomi Oberman discovered that Dnsmasq incorrectly handled
\nmultiple query requests for the same resource name. A remote attacker could
\nuse this issue to perform a cache poisoning attack. (CVE-2020-25686)<\/p>\n
It was discovered that Dnsmasq incorrectly handled memory during DHCP USN-4698-1: Dnsmasq vulnerabilities Moshe Kol and Shlomi Oberman discovered that Dnsmasq incorrectly handled memory when sorting RRsets. A remote attacker could use this issue to cause Dnsmasq to hang, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2020-25681, CVE-2020-25687) Moshe Kol and Shlomi Oberman discovered that Dnsmasq incorrectly handled extracting certain names. A remote attacker could use this issue to cause Dnsmasq to hang, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2020-25682, CVE-2020-25683) Moshe Kol and Shlomi Oberman discovered that Dnsmasq incorrectly implemented address\/port checks. A remote attacker could use this issue to perform a cache poisoning attack. (CVE-2020-25684) Moshe Kol and Shlomi Oberman discovered that Dnsmasq incorrectly implemented query resource name checks. A remote attacker could use this issue to perform a cache poisoning attack. (CVE-2020-25685) Moshe Kol and Shlomi Oberman discovered [ more… ]<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[586],"tags":[587],"class_list":["post-40177","post","type-post","status-publish","format-standard","hentry","category-ubuntu-usn","tag-ubuntu-usn"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/40177","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/comments?post=40177"}],"version-history":[{"count":1,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/40177\/revisions"}],"predecessor-version":[{"id":40178,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/40177\/revisions\/40178"}],"wp:attachment":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/media?parent=40177"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/categories?post=40177"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/tags?post=40177"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\nresponse creation. A remote attacker could possibly use this issue to
\ncause Dnsmasq to consume resources, leading to a denial of service. This
\nissue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04
\nLTS. (CVE-2019-14834)
\nSource: USN-4698-1: Dnsmasq vulnerabilities<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"