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Source

Synopsis

Important: Red Hat JBoss Core Services Apache HTTP Server 2.4.37 SP3 security update

Type/Severity

Security Advisory: Important

Topic

Red Hat JBoss Core Services Pack Apache Server 2.4.37 Service Pack 3 zip release for RHEL 6, RHEL 7 and Microsoft Windows is available.

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

Red Hat JBoss Core Services is a set of supplementary software for Red Hat JBoss middleware products. This software, such as Apache HTTP Server, is common to multiple JBoss middleware products, and is packaged under Red Hat JBoss Core Services to allow for faster distribution of updates, and for a more consistent update experience.

This release adds the new Apache HTTP Server 2.4.37 Service Pack 3 packages that are part of the JBoss Core Services offering.

This release serves as a replacement for Red Hat JBoss Core Services Pack Apache Server 2.4.37 Service Pack 2 and includes bug fixes and enhancements. Refer to the Release Notes for information on the most significant bug fixes and enhancements included in this release.

Security fix(es):

httpd: mod_http2: read-after-free on a string compare (CVE-2019-0196)
httpd: mod_http2: possible crash on late upgrade (CVE-2019-0197)
httpd: mod_proxy_ftp use of uninitialized value (CVE-2020-1934)
nghttp2: overly large SETTINGS frames can lead to DoS (CVE-2020-11080)
libxml2: There's a memory leak in xmlParseBalancedChunkMemoryRecover in parser.c that could result in a crash (CVE-2019-19956)
libxml2: memory leak in xmlSchemaPreRun in xmlschemas.c (CVE-2019-20388)
libxml2: infinite loop in xmlStringLenDecodeEntities in some end-of-file situations (CVE-2020-7595)
expat: large number of colons in input makes parser consume high amount of resources, leading to DoS (CVE-2018-20843)
expat: heap-based buffer over-read via crafted XML input (CVE-2019-15903)

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

Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.

The References section of this erratum contains a download link for the update. You must be logged in to download the update.

Affected Products

Red Hat JBoss Core Services Text-Only Advisories x86_64

Fixes

BZ - 1695030 - CVE-2019-0196 httpd: mod_http2: read-after-free on a string compare
BZ - 1695042 - CVE-2019-0197 httpd: mod_http2: possible crash on late upgrade
BZ - 1723723 - CVE-2018-20843 expat: large number of colons in input makes parser consume high amount of resources, leading to DoS
BZ - 1752592 - CVE-2019-15903 expat: heap-based buffer over-read via crafted XML input
BZ - 1788856 - CVE-2019-19956 libxml2: There's a memory leak in xmlParseBalancedChunkMemoryRecover in parser.c that could result in a crash
BZ - 1799734 - CVE-2019-20388 libxml2: memory leak in xmlSchemaPreRun in xmlschemas.c
BZ - 1799786 - CVE-2020-7595 libxml2: infinite loop in xmlStringLenDecodeEntities in some end-of-file situations
BZ - 1820772 - CVE-2020-1934 httpd: mod_proxy_ftp use of uninitialized value
BZ - 1844929 - CVE-2020-11080 nghttp2: overly large SETTINGS frames can lead to DoS

CVEs

References

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