Test ID:	1.3.6.1.4.1.25623.1.0.845362
Category:	Ubuntu Local Security Checks
Title:	Ubuntu: Security Advisory (USN-5259-3)
Summary:	The remote host is missing an update for the 'cron' package(s) announced via the USN-5259-3 advisory.
Description:	Summary: The remote host is missing an update for the 'cron' package(s) announced via the USN-5259-3 advisory. Vulnerability Insight: USN-5259-1 and USN-5259-2 fixed vulnerabilities in Cron. Unfortunately that update was incomplete and could introduce a regression. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that the postinst maintainer script in Cron unsafely handled file permissions during package install or update operations. An attacker could possibly use this issue to perform a privilege escalation attack. (CVE-2017-9525) Florian Weimer discovered that Cron incorrectly handled certain memory operations during crontab file creation. An attacker could possibly use this issue to cause a denial of service. (CVE-2019-9704) It was discovered that Cron incorrectly handled user input during crontab file creation. An attacker could possibly use this issue to cause a denial of service. (CVE-2019-9705) It was discovered that Cron contained a use-after-free vulnerability in its force_rescan_user function. An attacker could possibly use this issue to cause a denial of service. (CVE-2019-9706) Affected Software/OS: 'cron' package(s) on Ubuntu 16.04, Ubuntu 18.04. Solution: Please install the updated package(s). CVSS Score: 6.9 CVSS Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2017-9525 http://bugs.debian.org/864466 http://www.openwall.com/lists/oss-security/2017/06/08/3 https://lists.debian.org/debian-lts-announce/2019/03/msg00025.html https://lists.debian.org/debian-lts-announce/2021/10/msg00029.html http://www.securitytracker.com/id/1038651
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