Test ID:	1.3.6.1.4.1.25623.1.0.844330
Category:	Ubuntu Local Security Checks
Title:	Ubuntu: Security Advisory (USN-4267-1)
Summary:	The remote host is missing an update for the 'mbedtls' package(s) announced via the USN-4267-1 advisory.
Description:	Summary: The remote host is missing an update for the 'mbedtls' package(s) announced via the USN-4267-1 advisory. Vulnerability Insight: It was discovered that mbedtls has a bounds-check bypass through an integer overflow that can be used by an attacked to execute arbitrary code or cause a denial of service. (CVE-2017-18187) It was discovered that mbedtls has a vulnerability where an attacker could execute arbitrary code or cause a denial of service (buffer overflow) via a crafted certificate chain that is mishandled during RSASSA-PSS signature verification within a TLS or DTLS session. (CVE-2018-0487) It was discovered that mbedtls has a vulnerability where an attacker could execute arbitrary code or cause a denial of service (heap corruption) via a crafted application packet within a TLS or DTLS session. (CVE-2018-0488) It was discovered that mbedtls has a vulnerability that allows remote attackers to achieve partial plaintext recovery (for a CBC based ciphersuite) via a timing-based side-channel attack. (CVE-2018-0497) It was discovered that mbedtls has a vulnerability that allows local users to achieve partial plaintext recovery (for a CBC based ciphersuite) via a cache-based side-channel attack. (CVE-2018-0498) Affected Software/OS: 'mbedtls' package(s) on Ubuntu 16.04. 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-2017-18187 BugTraq ID: 103055 http://www.securityfocus.com/bid/103055 Debian Security Information: DSA-4138 (Google Search) https://www.debian.org/security/2018/dsa-4138 Debian Security Information: DSA-4147 (Google Search) https://www.debian.org/security/2018/dsa-4147 https://security.gentoo.org/glsa/201804-19 https://usn.ubuntu.com/4267-1/ Common Vulnerability Exposure (CVE) ID: CVE-2018-0487 BugTraq ID: 103056 http://www.securityfocus.com/bid/103056 Common Vulnerability Exposure (CVE) ID: CVE-2018-0488 BugTraq ID: 103057 http://www.securityfocus.com/bid/103057 Common Vulnerability Exposure (CVE) ID: CVE-2018-0497 Debian Security Information: DSA-4296 (Google Search) https://www.debian.org/security/2018/dsa-4296 https://lists.debian.org/debian-lts-announce/2018/09/msg00029.html Common Vulnerability Exposure (CVE) ID: CVE-2018-0498
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