F5 Networks BIG-IP : libcurl vulnerability (K10196624)

critical Nessus Plugin ID 105436

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Synopsis

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

Description

The libcurl API function called `curl_maprintf()` before version 7.51.0 can be tricked into doing a double-free due to an unsafe `size_t` multiplication, on systems using 32 bit `size_t` variables.
(CVE-2016-8618)

Impact

A custom monitor or script that calls the curl command may allow unauthorized disclosure of information,unauthorized modification, and disruption of service. The big3d process, which includes the libcurl library, may allow unauthorized disclosure of information,unauthorized modification, and disruption of service.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K10196624.

See Also

https://support.f5.com/csp/article/K10196624

Plugin Details

Severity: Critical

ID: 105436

File Name: f5_bigip_SOL10196624.nasl

Version: 3.8

Type: local

Published: 12/26/2017

Updated: 8/27/2020

Configuration: Enable paranoid mode

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:f5:big-ip_access_policy_manager, cpe:/a:f5:big-ip_advanced_firewall_manager, cpe:/a:f5:big-ip_application_acceleration_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_policy_enforcement_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, Host/BIG-IP/hotfix, Host/BIG-IP/modules, Host/BIG-IP/version, Settings/ParanoidReport

Exploit Ease: No known exploits are available

Patch Publication Date: 4/21/2017

Vulnerability Publication Date: 7/31/2018

Reference Information

CVE: CVE-2016-8618