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Red Hat Enterprise Linux: RHSA-2022:4801-01 Urgent: Rsyslog Heap Overflow

red hat
Calendar Grey May 30, 2022
Dist Redhat Esm H88
Red Hat releases a crucial security bulletin for rsyslog concerning a heap overflow vulnerability that impacts corporate clients.
An update for rsyslog is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions

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.
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 security issue red hat important heap overflow rsyslog tcp

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 AppStream E4S (v. 8.1):
Source: rsyslog-8.37.0-13.el8_1.1.src.rpm
aarch64: rsyslog-8.37.0-13.el8_1.1.aarch64.rpm rsyslog-crypto-8.37.0-13.el8_1.1.aarch64.rpm rsyslog-crypto-debuginfo-8.37.0-13.el8_1.1.aarch64.rpm rsyslog-debuginfo-8.37.0-13.el8_1.1.aarch64.rpm rsyslog-debugsource-8.37.0-13.el8_1.1.aarch64.rpm rsyslog-elasticsearch-8.37.0-13.el8_1.1.aarch64.rpm rsyslog-elasticsearch-debuginfo-8.37.0-13.el8_1.1.aarch64.rpm rsyslog-gnutls-8.37.0-13.el8_1.1.aarch64.rpm rsyslog-gnutls-debuginfo-8.37.0-13.el8_1.1.aarch64.rpm rsyslog-gssapi-8.37.0-13.el8_1.1.aarch64.rpm rsyslog-gssapi-debuginfo-8.37.0-13.el8_1.1.aarch64.rpm rsyslog-kafka-8.37.0-13.el8_1.1.aarch64.rpm rsyslog-kafka-debuginfo-8.37.0-13.el8_1.1.aarch64.rpm rsyslog-mmaudit-8.37.0-13.el8_1.1.aarch64.rpm rsyslog-mmaudit-debuginfo-8.37.0-13.el8_1.1.aarch64.rpm rsyslog-mmjsonparse-8.37.0-13.el8_1.1.aarch64.rpm rsyslog-mmjsonparse-debuginfo-8.37.0-13.el8_1.1.aarch64.rpm rsyslog-mmkubernetes-8.37.0-13.el8_1.1.aarch64.rpm rsyslog-mmkubernetes-debuginfo-8.37.0-13.el8_1.1.aarch64.rpm rsyslog-mmnormalize-8.37.0-13.el8_1.1.aarch64.rpm rsyslog-mmnormalize-debuginfo-8.37.0-13.el8_1.1.aarch64.rpm rsyslog-mmsnmptrapd-8.37.0-13.el8_1.1.aarch64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:4801-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:4801
Issue date: 2022-05-30

Topic

An update for rsyslog is now available for Red Hat Enterprise Linux 8.1Update Services for SAP Solutions.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 security issue red hat important heap overflow rsyslog tcp

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream E4S (v. 8.1) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

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

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