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

Topic

Updated packages that provide Red Hat JBoss Core Services Apache HTTP Server 2.4.37 Service Pack 11, fix several bugs, and add various enhancements are now available for Red Hat Enterprise Linux 7 and Red Hat Enterprise Linux 8.

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

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 this update, make sure all previously released errata relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat JBoss Core Services 1 for RHEL 8 x86_64
• Red Hat JBoss Core Services 1 for RHEL 7 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