Test ID:	1.3.6.1.4.1.25623.1.1.10.2018.0435
Category:	Mageia Linux Local Security Checks
Title:	Mageia: Security Advisory (MGASA-2018-0435)
Summary:	The remote host is missing an update for the 'gnutls' package(s) announced via the MGASA-2018-0435 advisory.
Description:	Summary: The remote host is missing an update for the 'gnutls' package(s) announced via the MGASA-2018-0435 advisory. Vulnerability Insight: The updated packages fix security vulnerabilities: It was found that the GnuTLS implementation of HMAC-SHA-256 and HMAC-SHA-384 was vulnerable to a Lucky thirteen style attack. Remote attackers could use this flaw to conduct distinguishing attacks and plaintext-recovery attacks via statistical analysis of timing data using crafted packets (CVE-2018-10844, CVE-2018-10845). A cache-based side channel in GnuTLS implementation that leads to plain text recovery in cross-VM attack setting was found. An attacker could use a combination of 'Just in Time' Prime+probe attack in combination with Lucky-13 attack to recover plain text using crafted packets (CVE-2018-10846). Affected Software/OS: 'gnutls' package(s) on Mageia 6. Solution: Please install the updated package(s). CVSS Score: 4.3 CVSS Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2018-10844 105138 http://www.securityfocus.com/bid/105138 FEDORA-2020-d14280a6e8 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ILMOWPKMTZAIMK5F32TUMO34XCABUCFJ/ FEDORA-2020-f90fb78f70 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WDYY3R4F5CUTFAMXH2C5NKYFVDEJLTT7/ RHSA-2018:3050 https://access.redhat.com/errata/RHSA-2018:3050 RHSA-2018:3505 https://access.redhat.com/errata/RHSA-2018:3505 USN-3999-1 https://usn.ubuntu.com/3999-1/ [debian-lts-announce] 20181030 [SECURITY] [DLA 1560-1] gnutls28 security update https://lists.debian.org/debian-lts-announce/2018/10/msg00022.html https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10844 https://eprint.iacr.org/2018/747 https://gitlab.com/gnutls/gnutls/merge_requests/657 Common Vulnerability Exposure (CVE) ID: CVE-2018-10845 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10845 Common Vulnerability Exposure (CVE) ID: CVE-2018-10846 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10846
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