Important: Red Hat JBoss Core Services Apache HTTP Server 2.4.37 SP11 security update

Topic

Red Hat JBoss Core Services Apache HTTP Server 2.4.37 Service Pack 11 zip release for Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, 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 11 packages that are part of the JBoss Core Services offering.

This release serves as a replacement for Red Hat JBoss Core Services Apache HTTP Server 2.4.37 Service Pack 10 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):

• jbcs-httpd24-httpd: httpd: HTTP request smuggling vulnerability in Apache HTTP Server 2.4.52 and earlier (CVE-2022-22720)
• libxml2: use-after-free in xmlXIncludeDoProcess() in xinclude.c (CVE-2021-3518)
• libxml2: heap-based buffer overflow in xmlEncodeEntitiesInternal() in entities.c (CVE-2021-3517)
• libxml2: use-after-free in xmlEncodeEntitiesInternal() in entities.c (CVE-2021-3516)
• libxml2: Exponential entity expansion attack bypasses all existing protection mechanisms (CVE-2021-3541)
• libxml2: NULL pointer dereference when post-validating mixed content parsed in recovery mode (CVE-2021-3537)
• libxml2: Use-after-free of ID and IDREF attributes (CVE-2022-23308)
• openssl: Infinite loop in BN_mod_sqrt() reachable when parsing certificates (CVE-2022-0778)

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 - 1950515 - CVE-2021-3541 libxml2: Exponential entity expansion attack bypasses all existing protection mechanisms
• BZ - 1954225 - CVE-2021-3516 libxml2: Use-after-free in xmlEncodeEntitiesInternal() in entities.c
• BZ - 1954232 - CVE-2021-3517 libxml2: Heap-based buffer overflow in xmlEncodeEntitiesInternal() in entities.c
• BZ - 1954242 - CVE-2021-3518 libxml2: Use-after-free in xmlXIncludeDoProcess() in xinclude.c
• BZ - 1956522 - CVE-2021-3537 libxml2: NULL pointer dereference when post-validating mixed content parsed in recovery mode
• BZ - 2056913 - CVE-2022-23308 libxml2: Use-after-free of ID and IDREF attributes
• BZ - 2062202 - CVE-2022-0778 openssl: Infinite loop in BN_mod_sqrt() reachable when parsing certificates
• BZ - 2064321 - CVE-2022-22720 httpd: Errors encountered during the discarding of request body lead to HTTP request smuggling

CVEs

• CVE-2021-3516
• CVE-2021-3517
• CVE-2021-3518
• CVE-2021-3537
• CVE-2021-3541
• CVE-2022-0778
• CVE-2022-22720
• CVE-2022-23308

References

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