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F5 Networks BIG-IP : Apache Range header vulnerability (K13114)

high Nessus Plugin ID 78131

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Synopsis

The remote device is missing a vendor-supplied security patch.

Description

The byte-range filter in the Apache HTTP Server 1.3.x, 2.0.x through 2.0.64, and 2.2.x through 2.2.19 allows remote attackers to cause a denial-of-service (memory and CPU consumption) using a Range header that expresses multiple overlapping ranges.

When this vulnerability is exploited, the httpd process consumes all available CPU cycles. As a result of CPU starvation, the Configuration utility, SSH sessions, and other userland processes may appear extremely slow or completely unresponsive. On BIG-IP systems, if the system hardware watchdog timer is not updated for more than 10 seconds, the hardware watchdog restarts the system. (CVE-2011-3192)

Impact

The performance of userland processes may be severely impaired, and the system may eventually reboot.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K13114.

See Also

https://support.f5.com/csp/article/K13114

Plugin Details

Severity: High

ID: 78131

File Name: f5_bigip_SOL13114.nasl

Version: 1.13

Type: local

Published: 10/10/2014

Updated: 1/11/2021

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Vulnerability Information

CPE: cpe:/a:f5:big-ip_access_policy_manager, cpe:/a:f5:big-ip_application_security_manager, cpe:/a:f5:big-ip_application_visibility_and_reporting, cpe:/a:f5:big-ip_global_traffic_manager, cpe:/a:f5:big-ip_link_controller, cpe:/a:f5:big-ip_local_traffic_manager, cpe:/a:f5:big-ip_wan_optimization_manager, cpe:/a:f5:big-ip_webaccelerator, cpe:/h:f5:big-ip, cpe:/h:f5:big-ip_protocol_security_manager

Required KB Items: Host/local_checks_enabled, Settings/ParanoidReport, Host/BIG-IP/hotfix, Host/BIG-IP/modules, Host/BIG-IP/version

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/11/2013

Vulnerability Publication Date: 8/29/2011

Exploitable With

Core Impact

Reference Information

CVE: CVE-2011-3192

BID: 49303