RHSA-2021:2471 - Security Advisory

Topic

Red Hat JBoss Core Services Pack Apache Server 2.4.37 Service Pack 8 zip release for RHEL 7, RHEL 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 8 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 7 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):

• curl: Use-after-free in TLS session handling when using OpenSSL TLS backend (CVE-2021-22901)
• httpd: NULL pointer dereference on specially crafted HTTP/2 request (CVE-2021-31618)
• libcurl: partial password leak over DNS on HTTP redirect (CVE-2020-8169)
• curl: FTP PASV command response can cause curl to connect to arbitrary host (CVE-2020-8284)
• curl: Malicious FTP server can trigger stack overflow when CURLOPT_CHUNK_BGN_FUNCTION is used (CVE-2020-8285)
• curl: Inferior OCSP verification (CVE-2020-8286)
• curl: Leak of authentication credentials in URL via automatic Referer (CVE-2021-22876)
• curl: TLS 1.3 session ticket mix-up with HTTPS proxy host (CVE-2021-22890)

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 - 1847916 - CVE-2020-8169 libcurl: partial password leak over DNS on HTTP redirect
• BZ - 1902667 - CVE-2020-8284 curl: FTP PASV command response can cause curl to connect to arbitrary host
• BZ - 1902687 - CVE-2020-8285 curl: Malicious FTP server can trigger stack overflow when CURLOPT_CHUNK_BGN_FUNCTION is used
• BZ - 1906096 - CVE-2020-8286 curl: Inferior OCSP verification
• BZ - 1941964 - CVE-2021-22876 curl: Leak of authentication credentials in URL via automatic Referer
• BZ - 1941965 - CVE-2021-22890 curl: TLS 1.3 session ticket mix-up with HTTPS proxy host
• BZ - 1963146 - CVE-2021-22901 curl: Use-after-free in TLS session handling when using OpenSSL TLS backend
• BZ - 1968013 - CVE-2021-31618 httpd: NULL pointer dereference on specially crafted HTTP/2 request

CVEs

• CVE-2020-8169
• CVE-2020-8284
• CVE-2020-8285
• CVE-2020-8286
• CVE-2021-22876
• CVE-2021-22890
• CVE-2021-22901

References

• https://access.redhat.com/security/updates/classification/#important
• https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=core.service.apachehttp&downloadType=securityPatches&version=2.4.37
• https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=core.service.openssl&downloadType=securityPatches&version=1.1.1g
• https://access.redhat.com/documentation/en-us/red_hat_jboss_core_services/2.4.37/