Moderate: rsyslog security and bug fix update

Related Vulnerabilities: CVE-2018-16881   CVE-2018-16881   CVE-2018-16881  

Synopsis

Moderate: rsyslog security and bug fix update

Type/Severity

Security Advisory: Moderate

Topic

An update for rsyslog is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The rsyslog packages provide an enhanced, multi-threaded syslog daemon. It supports MySQL, syslog/TCP, RFC 3195, permitted sender lists, filtering on any message part, and fine-grained control over output format.

Security Fix(es):

  • rsyslog: imptcp: integer overflow when Octet-Counted TCP Framing is enabled (CVE-2018-16881)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.7 Release Notes linked from the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

  • Red Hat Enterprise Linux Server 7 x86_64
  • Red Hat Enterprise Linux Workstation 7 x86_64
  • Red Hat Enterprise Linux Desktop 7 x86_64
  • Red Hat Enterprise Linux for IBM z Systems 7 s390x
  • Red Hat Enterprise Linux for Power, big endian 7 ppc64
  • Red Hat Enterprise Linux for Scientific Computing 7 x86_64
  • Red Hat Enterprise Linux for Power, little endian 7 ppc64le

Fixes

  • BZ - 1622767 - mmkubernetes - deletion of pod causes logs to stop flowing
  • BZ - 1632211 - sd_journal_get_cursor() failed - when time is changed
  • BZ - 1649250 - rsyslog-8.24.0-34.el7.x86_64 imfile broken with logrotate and tomcat rotated logs
  • BZ - 1656860 - rsyslog imfile buffer overflow
  • BZ - 1658366 - CVE-2018-16881 rsyslog: imptcp: integer overflow when Octet-Counted TCP Framing is enabled
  • BZ - 1685901 - rsyslog floods log files when watching files through a symlink

CVEs

References