Out-of-bounds read in Apache HTTP Server - CVE-2018-1303

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Main Vulnerability Database Vulnerabilities #VU11280

Out-of-bounds read in Apache HTTP Server - CVE-2018-1303

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


Vulnerability identifier: #VU11280
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-2018-1303
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 in Apache HTTPD mod_cache_socache due to improper validation of user-supplied input. A remote attacker can send a specially crafted HTTP request header, trigger an out-of-bounds memory read error in mod_cache_socache and cause the target service to crash.

Affected software

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

How to mitigate CVE-2018-1303

Update to version 2.4.32.

Apache HTTP Server - update to 2.4.32
httpd (Red Hat package) - update to 2.4.6-95.el7
Tenable.sc - update to 5.13.0
Dell Secure Connect Gateway - update to 5.12.00.10
apache2 (Alpine package) - update to 2.4.33-r0
apache2-bin (Ubuntu package) - addressed in versions 2.4.7-1ubuntu4.20, 2.4.18-2ubuntu3.8, 2.4.27-2ubuntu4.1
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