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Red Hat 6 ELS RHSA-2022:4808-01 Important: Rsyslog Buffer Overflow

red hat
Calendar Grey May 31, 2022
Dist Redhat Esm H88
Critical patch released for syslog and syslog7 tackles significant heap overflow vulnerability impacting Red Hat customers. Ensure timely installation of updates.
An update for rsyslog and rsyslog7 is now available for Red Hat Enterprise Linux 6 Extended Lifecycle Support

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

Summary

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.

Topics%20covered

Topics Covered

security advisory buffer overflow important red hat enterprise rsyslog syslog daemon

References

https://access.redhat.com/security/cve/CVE-2022-24903 https://access.redhat.com/security/updates/classification/#important https://bugzilla.redhat.com/show_bug.cgi?id=2081353

Package List

Red Hat Enterprise Linux Server (v. 6 ELS):
Source: rsyslog-5.8.10-12.el6_10.1.src.rpm rsyslog7-7.4.10-7.el6_10.1.src.rpm
i386: rsyslog-5.8.10-12.el6_10.1.i686.rpm rsyslog-debuginfo-5.8.10-12.el6_10.1.i686.rpm rsyslog-gnutls-5.8.10-12.el6_10.1.i686.rpm rsyslog-gssapi-5.8.10-12.el6_10.1.i686.rpm rsyslog-mysql-5.8.10-12.el6_10.1.i686.rpm rsyslog-pgsql-5.8.10-12.el6_10.1.i686.rpm rsyslog-relp-5.8.10-12.el6_10.1.i686.rpm rsyslog7-7.4.10-7.el6_10.1.i686.rpm rsyslog7-debuginfo-7.4.10-7.el6_10.1.i686.rpm rsyslog7-gnutls-7.4.10-7.el6_10.1.i686.rpm rsyslog7-gssapi-7.4.10-7.el6_10.1.i686.rpm rsyslog7-mysql-7.4.10-7.el6_10.1.i686.rpm rsyslog7-pgsql-7.4.10-7.el6_10.1.i686.rpm rsyslog7-relp-7.4.10-7.el6_10.1.i686.rpm
s390x: rsyslog-5.8.10-12.el6_10.1.s390x.rpm rsyslog-debuginfo-5.8.10-12.el6_10.1.s390x.rpm rsyslog-gnutls-5.8.10-12.el6_10.1.s390x.rpm rsyslog-gssapi-5.8.10-12.el6_10.1.s390x.rpm rsyslog-mysql-5.8.10-12.el6_10.1.s390x.rpm rsyslog-pgsql-5.8.10-12.el6_10.1.s390x.rpm rsyslog-relp-5.8.10-12.el6_10.1.s390x.rpm rsyslog7-7.4.10-7.el6_10.1.s390x.rpm rsyslog7-debuginfo-7.4.10-7.el6_10.1.s390x.rpm rsyslog7-gnutls-7.4.10-7.el6_10.1.s390x.rpm rsyslog7-gssapi-7.4.10-7.el6_10.1.s390x.rpm rsyslog7-mysql-7.4.10-7.el6_10.1.s390x.rpm rsyslog7-pgsql-7.4.10-7.el6_10.1.s390x.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:4808-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:4808
Issue date: 2022-05-31

Topic

An update for rsyslog and rsyslog7 is now available for Red Hat EnterpriseLinux 6 Extended Lifecycle Support.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory buffer overflow important red hat enterprise rsyslog syslog daemon

Relevant Releases Architectures

Red Hat Enterprise Linux Server (v. 6 ELS) - i386, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 6 ELS) - i386, s390x, x86_64

Bugs Fixed

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

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