Use-after-free in Apache HTTP Server - CVE-2019-10082

Vulnerability identifier: #VU20386

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2019-10082

CWE-ID: CWE-416

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within the mod_http2 when handling connection shutdown. A remote attacker can send specially crafted requests to the affected server and make the mod_http2 to read memory that was already freed.

Apache HTTP Server
JBoss Core Services
Gentoo Linux
Amazon Linux AMI
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
Slackware Linux
Opensuse
openEuler
jbcs-httpd24-brotli (Red Hat package)
jbcs-httpd24-apr (Red Hat package)
jbcs-httpd24-mod_http2 (Red Hat package)
apache2 (Ubuntu package)
apache2 (Debian package)
jbcs-httpd24-httpd (Red Hat package)
apache2 (Alpine package)
mod_proxy_html
httpd-tools
httpd-help
httpd-filesystem
httpd-devel
httpd-debugsource
httpd-debuginfo
httpd
mod_ldap
mod_md
mod_session
mod_ssl
Dell Secure Connect Gateway
Oracle HTTP Server
Oracle Retail Xstore Point of Service
Watson Studio on Cloud Pak for Data
Maximo Application Suite - IoT Component
Oracle Communications Element Manager
Instantis EnterpriseTrack

Install updates from vendor's website.

Apache HTTP Server - update to 2.4.41
jbcs-httpd24-brotli (Red Hat package) - addressed in versions 1.0.6-21.jbcs.el6, 1.0.6-21.jbcs.el7
jbcs-httpd24-apr (Red Hat package) - addressed in versions 1.6.3-86.jbcs.el6, 1.6.3-86.jbcs.el7
jbcs-httpd24-mod_http2 (Red Hat package) - addressed in versions 1.11.3-22.jbcs.el6, 1.11.3-22.jbcs.el7
apache2 (Ubuntu package) - addressed in versions 2.4.18-2ubuntu3.12, 2.4.18-2ubuntu3.13, 2.4.29-1ubuntu4.10, 2.4.29-1ubuntu4.11, 2.4.38-2ubuntu2.2, 2.4.38-2ubuntu2.3
apache2 (Debian package) - update to 2.4.25-3+deb9u8
jbcs-httpd24-httpd (Red Hat package) - addressed in versions 2.4.37-52.jbcs.el6, 2.4.37-52.jbcs.el7
apache2 (Alpine package) - update to 2.4.41-r0
Dell Secure Connect Gateway - update to 5.12.00.10
mod_proxy_html - addressed in versions 2.4.34-17, 2.4.34-18
httpd-tools - addressed in versions 2.4.34-17, 2.4.34-18
httpd-help - addressed in versions 2.4.34-17, 2.4.34-18
httpd-filesystem - addressed in versions 2.4.34-17, 2.4.34-18
httpd-devel - addressed in versions 2.4.34-17, 2.4.34-18
httpd-debugsource - addressed in versions 2.4.34-17, 2.4.34-18
httpd-debuginfo - addressed in versions 2.4.34-17, 2.4.34-18
httpd - addressed in versions 2.4.34-17, 2.4.34-18
mod_ldap - addressed in versions 2.4.34-17, 2.4.34-18
mod_md - addressed in versions 2.4.34-17, 2.4.34-18
mod_session - addressed in versions 2.4.34-17, 2.4.34-18
mod_ssl - addressed in versions 2.4.34-17, 2.4.34-18
Watson Studio on Cloud Pak for Data - addressed in versions 4.8.7, 5.1.0
Maximo Application Suite - IoT Component - addressed in versions 8.7.20, 8.8.16, 9.0.6

• https://httpd.apache.org/security/vulnerabilities_24.html

• Multiple vulnerabilities in Apache HTTP Server
• Debian update for apache2
• Ubuntu update for Apache HTTP Server
• OpenSUSE Linux update for apache2
• Gentoo update for Apache
• Ubuntu regression update for Apache HTTP Server
• Amazon Linux AMI update for httpd24
• Slackware Linux update for httpd
• Red Hat JBoss Core Services update for Apache HTTP Server
• Multiple vulnerabilities in Oracle Communications Element Manager
• Multiple vulnerabilities in Instantis EnterpriseTrack
• Multiple vulnerabilities in Oracle Retail Xstore Point of Service
• Use-after-free in apache2 (Alpine package)
• Red Hat Enterprise Linux 8 update for the httpd:2.4 module
• Multiple vulnerabilities in Oracle HTTP Server
• Multiple vulnerabilities in DELL Secure Connect Gateway Security
• openEuler 20.03 LTS update for httpd-2.4.34-18
• openEuler 20.03 LTS update for httpd
• Multiple vulnerabilities in IBM Watson Studio on Cloud Pak for Data
• Multiple vulnerabilities in IBM Maximo Application Suite - IoT Component