F5 Networks BIG-IP : Expat vulnerabilities (K15905)

medium Nessus Plugin ID 79892
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

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

Description

CVE-2009-3560 The big2_toUtf8 function in lib/xmltok.c in libexpat in Expat 2.0.1, as used in the XML-Twig module for Perl, allows context-dependent attackers to cause a denial of service (application crash) via an XML document with malformed UTF-8 sequences that trigger a buffer over-read, related to the doProlog function in lib/xmlparse.c, a different vulnerability than CVE-2009-2625 and CVE-2009-3720.

CVE-2009-3720 The updatePosition function in lib/xmltok_impl.c in libexpat in Expat 2.0.1, as used in Python, PyXML, w3c-libwww, and other software, allows context-dependent attackers to cause a denial of service (application crash) via an XML document with crafted UTF-8 sequences that trigger a buffer over-read, a different vulnerability than CVE-2009-2625.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K15905.

See Also

https://support.f5.com/csp/article/K15905

Plugin Details

Severity: Medium

ID: 79892

File Name: f5_bigip_SOL15905.nasl

Version: 1.10

Type: local

Published: 12/15/2014

Updated: 3/10/2021

Dependencies: f5_bigip_detect.nbin

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 4.3

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

Temporal Vector: E:ND/RL:OF/RC: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_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, Host/BIG-IP/hotfix, Host/BIG-IP/modules, Host/BIG-IP/version

Exploit Ease: No known exploits are available

Patch Publication Date: 12/11/2014

Vulnerability Publication Date: 8/6/2009

Reference Information

CVE: CVE-2009-2625, CVE-2009-3560, CVE-2009-3720

BID: 35958, 36097, 37203

CWE: 119, 264