Test ID:	1.3.6.1.4.1.25623.1.1.12.2025.7239.1
Category:	Ubuntu Local Security Checks
Title:	Ubuntu: Security Advisory (USN-7239-1)
Summary:	The remote host is missing an update for the 'libmicrodns' package(s) announced via the USN-7239-1 advisory.
Description:	Summary: The remote host is missing an update for the 'libmicrodns' package(s) announced via the USN-7239-1 advisory. Vulnerability Insight: It was discovered that libmicrodns could recursively follow the same compression pointer, leading to an infinite loop. An attacker could possibly use this issue to cause a denial of service. (CVE-2020-6071) It was discovered that libmicrodns did not check the return value of the rr_decode function, which could lead to a double free. An attacker could possibly use this issue to execute arbitrary code. (CVE-2020-6072) It was discovered that libmicrodns incorrectly handled certain inputs, which could lead to an integer overflow. An attacker could possibly use this issue to cause a denial of service. (CVE-2020-6073) It was discovered that libmicrodns incorrectly handled certain inputs, which could lead to a out-of-bounds read. An attacker could possibly use this issue to cause a denial of service. (CVE-2020-6077) It was discovered that libmicrodns incorrectly handled memory when parsing mDNS messages in mdns_recv, which could lead to a NULL pointer dereference. An attacker could possibly use this issue to cause a denial of service. (CVE-2020-6078) It was discovered that libmicrodns incorrectly handled memory, which could lead to excessive memory consumption due to memory leaks. An attacker could possibly use this issue to cause a denial of service. (CVE-2020-6079, CVE-2020-6080) Affected Software/OS: 'libmicrodns' package(s) on Ubuntu 18.04. Solution: Please install the updated package(s). CVSS Score: 7.5 CVSS Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2020-6071 Debian Security Information: DSA-4671 (Google Search) https://www.debian.org/security/2020/dsa-4671 https://security.gentoo.org/glsa/202005-10 https://talosintelligence.com/vulnerability_reports/TALOS-2020-0994 Common Vulnerability Exposure (CVE) ID: CVE-2020-6072 https://talosintelligence.com/vulnerability_reports/TALOS-2020-0995 Common Vulnerability Exposure (CVE) ID: CVE-2020-6073 https://talosintelligence.com/vulnerability_reports/TALOS-2020-0996 Common Vulnerability Exposure (CVE) ID: CVE-2020-6077 https://talosintelligence.com/vulnerability_reports/TALOS-2020-1000 Common Vulnerability Exposure (CVE) ID: CVE-2020-6078 https://talosintelligence.com/vulnerability_reports/TALOS-2020-1001 Common Vulnerability Exposure (CVE) ID: CVE-2020-6079 https://talosintelligence.com/vulnerability_reports/TALOS-2020-1002 Common Vulnerability Exposure (CVE) ID: CVE-2020-6080
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