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Red Hat Enterprise Linux 8 RHSA-2020:1702-01 Moderate Rsyslog Heap Overflow

red hat
Calendar Grey April 28, 2020
Dist Redhat Esm H88
An update for rsyslog has been released for Red Hat Enterprise Linux 8, addressing moderate security vulnerabilities including potential heap overflows.
An update for rsyslog is now available for Red Hat Enterprise Linux 8

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 following packages have been upgraded to a later upstream version: rsyslog (8.1911.0). (BZ#1740683)
Security Fix(es):
* rsyslog: heap-based overflow in contrib/pmaixforwardedfrom/pmaixforwardedfrom.c (CVE-2019-17041)
* rsyslog: heap-based overflow in contrib/pmcisconames/pmcisconames.c (CVE-2019-17042)
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 8.2 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory moderate red hat bug fix heap overflow linux update rsyslog

References

https://access.redhat.com/security/cve/CVE-2019-17041 https://access.redhat.com/security/cve/CVE-2019-17042 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.2_release_notes/index

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: rsyslog-8.1911.0-3.el8.src.rpm
aarch64: rsyslog-8.1911.0-3.el8.aarch64.rpm rsyslog-crypto-8.1911.0-3.el8.aarch64.rpm rsyslog-crypto-debuginfo-8.1911.0-3.el8.aarch64.rpm rsyslog-debuginfo-8.1911.0-3.el8.aarch64.rpm rsyslog-debugsource-8.1911.0-3.el8.aarch64.rpm rsyslog-elasticsearch-8.1911.0-3.el8.aarch64.rpm rsyslog-elasticsearch-debuginfo-8.1911.0-3.el8.aarch64.rpm rsyslog-gnutls-8.1911.0-3.el8.aarch64.rpm rsyslog-gnutls-debuginfo-8.1911.0-3.el8.aarch64.rpm rsyslog-gssapi-8.1911.0-3.el8.aarch64.rpm rsyslog-gssapi-debuginfo-8.1911.0-3.el8.aarch64.rpm rsyslog-kafka-8.1911.0-3.el8.aarch64.rpm rsyslog-kafka-debuginfo-8.1911.0-3.el8.aarch64.rpm rsyslog-mmaudit-8.1911.0-3.el8.aarch64.rpm rsyslog-mmaudit-debuginfo-8.1911.0-3.el8.aarch64.rpm rsyslog-mmjsonparse-8.1911.0-3.el8.aarch64.rpm rsyslog-mmjsonparse-debuginfo-8.1911.0-3.el8.aarch64.rpm rsyslog-mmkubernetes-8.1911.0-3.el8.aarch64.rpm rsyslog-mmkubernetes-debuginfo-8.1911.0-3.el8.aarch64.rpm rsyslog-mmnormalize-8.1911.0-3.el8.aarch64.rpm rsyslog-mmnormalize-debuginfo-8.1911.0-3.el8.aarch64.rpm rsyslog-mmsnmptrapd-8.1911.0-3.el8.aarch64.rpm rsyslog-mmsnmptrapd-debuginfo-8.1911.0-3.el8.aarch64.rpm rsyslog-mysql-8.1911.0-3.el8.aarch64.rpm

Read the Full Advisory


Advisory ID: RHSA-2020:1702-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1702
Issue date: 2020-04-28

Topic

An update for rsyslog is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate red hat bug fix heap overflow linux update rsyslog

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

1676559 - [RFE]: support omhttp for REST APIs

1692072 - [RFE]: mmkubernetes: support cache expiration

1692073 - [RFE]: omelasticsearch: support rebindinterval

1692074 - [RFE]: omelasticsearch,mmkubernetes: support skipverifyhost

1738213 - rsyslog SEGV with disk-assisted queues, possible corruption

1746876 - Confusing Description of rsyslog-gnutls rpm

1755218 - (RFE RHEL-7.7 (or later): rsyslogd: imjournal: messages lost due to rate-limiting should also print burst+interva

1763757 - rsyslog doesn't read lines from imfile after rotation

1766693 - CVE-2019-17041 rsyslog: heap-based overflow in contrib/pmaixforwardedfrom/pmaixforwardedfrom.c

1766700 - CVE-2019-17042 rsyslog: heap-based overflow in contrib/pmcisconames/pmcisconames.c

1782353 - gnutls cerficate validity default changed from deny to warn

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