RHSA-2019:0367 - Security Advisory

Topic

An update is now available for JBoss Core Services on RHEL 6 and RHEL 7.

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 links 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 of Red Hat JBoss Core Services Apache HTTP Server 2.4.29 Service Pack 1 serves as an update to Red Hat JBoss Core Services Apache HTTP Server 2.4.29, and includes bug fixes for CVEs which are linked to in the References section.

Security Fixes:

• httpd: DoS for HTTP/2 connections by continuous SETTINGS (CVE-2018-11763)
• httpd: Weak Digest auth nonce generation in mod_auth_digest

(CVE-2018-1312)

• httpd: Out of bound access after failure in reading the HTTP request

(CVE-2018-1301)

• httpd: Use-after-free on HTTP/2 stream shutdown (CVE-2018-1302)
• httpd: <FilesMatch> bypass with a trailing newline in the file name

(CVE-2017-15715)

• httpd: Out of bound write in mod_authnz_ldap when using too small

Accept-Language values (CVE-2017-15710)

• httpd: Out of bounds read in mod_cache_socache can allow a remote

attacker to cause a denial of service (CVE-2018-1303)

• httpd: Improper handling of headers in mod_session can allow a remote

user to modify session data for CGI applications (CVE-2018-1283)

• httpd: mod_http2: too much time allocated to workers, possibly leading to

DoS (CVE-2018-1333)

• mod_jk: connector path traversal due to mishandled HTTP requests in httpd

(CVE-2018-11759)

• nghttp2: Null pointer dereference when too large ALTSVC frame is received

(CVE-2018-1000168)

• openssl: Handling of crafted recursive ASN.1 structures can cause a stack

overflow and resulting denial of service (CVE-2018-0739)

Details around each issue, including information about the CVE, severity of
the issue, and the CVSS score, can be found on the CVE pages listed in the
Reference section below.

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

After installing the updated packages, the httpd daemon will be restarted automatically.

Affected Products

• Red Hat JBoss Core Services 1 for RHEL 7 x86_64
• Red Hat JBoss Core Services 1 for RHEL 6 x86_64
• Red Hat JBoss Core Services 1 for RHEL 6 i386

Fixes

• BZ - 1560395 - CVE-2018-1283 httpd: Improper handling of headers in mod_session can allow a remote user to modify session data for CGI applications
• BZ - 1560399 - CVE-2018-1303 httpd: Out of bounds read in mod_cache_socache can allow a remote attacker to cause DoS
• BZ - 1560599 - CVE-2017-15710 httpd: Out of bounds write in mod_authnz_ldap when using too small Accept-Language values
• BZ - 1560614 - CVE-2017-15715 httpd: <FilesMatch> bypass with a trailing newline in the file name
• BZ - 1560625 - CVE-2018-1302 httpd: Use-after-free on HTTP/2 stream shutdown
• BZ - 1560634 - CVE-2018-1312 httpd: Weak Digest auth nonce generation in mod_auth_digest
• BZ - 1560643 - CVE-2018-1301 httpd: Out of bounds access after failure in reading the HTTP request
• BZ - 1561266 - CVE-2018-0739 openssl: Handling of crafted recursive ASN.1 structures can cause a stack overflow and resulting denial of service
• BZ - 1565035 - CVE-2018-1000168 nghttp2: Null pointer dereference when too large ALTSVC frame is received
• BZ - 1605048 - CVE-2018-1333 httpd: mod_http2: Too much time allocated to workers, possibly leading to DoS
• BZ - 1633399 - CVE-2018-11763 httpd: DoS for HTTP/2 connections by continuous SETTINGS frames
• BZ - 1645589 - CVE-2018-11759 mod_jk: connector path traversal due to mishandled HTTP requests in httpd

CVEs

• CVE-2017-15710
• CVE-2017-15715
• CVE-2018-0739
• CVE-2018-1283
• CVE-2018-1301
• CVE-2018-1302
• CVE-2018-1303
• CVE-2018-1312
• CVE-2018-1333
• CVE-2018-11759
• CVE-2018-11763
• CVE-2018-1000168

References

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