Out-of-bounds read in Apache HTTP Server - CVE-2018-1301

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Main Vulnerability Database Vulnerabilities #VU11281

Out-of-bounds read in Apache HTTP Server - CVE-2018-1301

Published: March 27, 2018 / Updated: July 14, 2018


Vulnerability identifier: #VU11281
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-1301
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to improper validation of user-supplied input. A remote attacker can send a specially crafted HTTP request to trigger an out-of-bounds memory access error after a header size limit has been reached to cause the target service to crash.

Affected software

Apache HTTP Server
Arch Linux
Amazon Linux AMI
Debian Linux
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for Power, little endian
SUSE Linux
Fedora
Tenable.sc
apache2 (Alpine package)
httpd (Red Hat package)
httpd
IBM API Connect
Dell Secure Connect Gateway
Data Computing Appliance (DCA)

How to mitigate CVE-2018-1301

Update to version 2.4.32.

Apache HTTP Server - update to 2.4.32
Tenable.sc - update to 5.13.0
apache2 (Alpine package) - update to 2.4.33-r0
httpd (Red Hat package) - update to 2.4.6-93.el7
IBM API Connect - update to 5.0.8.12
Dell Secure Connect Gateway - update to 5.12.00.10
httpd - addressed in versions 2.4.33-2.fc26, 2.4.33-2.fc27, 2.4.33-2.fc28, 2.4.33-4.fc26
Data Computing Appliance (DCA) - update to 4.3.0.0

External References

Related Security Bulletins