RHSA-2022:4808 - Security Advisory

Topic

An update for rsyslog and rsyslog7 is now available for Red Hat Enterprise Linux 6 Extended Lifecycle Support.

Red Hat Product Security has rated this update as having a security impact of Important. 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.

The rsyslog7 packages provide an enhanced, multi-threaded syslog daemon. It supports on-demand disk buffering, reliable syslog over TCP, SSL, TLS and RELP, writing to databases (MySQL, PostgreSQL, Oracle, and others), email alerting, fully configurable output formats (including high-precision time stamps), the ability to filter on any part of the syslog message, on-the-wire message compression, and the ability to convert text files to syslog.

Security Fix(es):

• rsyslog: Heap-based overflow in TCP syslog server (CVE-2022-24903)

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.

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 - Extended Life Cycle Support 6 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 i386
• Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 6 s390x

Fixes

• BZ - 2081353 - CVE-2022-24903 rsyslog: Heap-based overflow in TCP syslog server

CVEs

• CVE-2022-24903

References

• https://access.redhat.com/security/updates/classification/#important