Detections
Analytics
F5 Networks BIG-IP : Linux libuser vulnerability (SOL05770600)
high Nessus Plugin ID 91327
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Synopsis
The remote device is missing a vendor-supplied security patch.Description
libuser before 0.56.13-8 and 0.60 before 0.60-7, as used in the userhelper program in the usermode package, directly modifies /etc/passwd, which allows local users to cause a denial of service (inconsistent file state) by causing an error during the modification.NOTE: this issue can be combined with CVE-2015-3245 to gain privileges.
Solution
Upgrade to one of the non-vulnerable versions listed in the F5 Solution SOL05770600.See Also
Plugin Details
Severity: High
ID: 91327
File Name: f5_bigip_SOL05770600.nasl
Version: 2.16
Type: local
Published: 5/26/2016
Updated: 3/10/2021
Configuration: Enable paranoid mode
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Critical
Score: 9.5
CVSS v2
Risk Factor: High
Base Score: 7.2
Temporal Score: 5.6
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A: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_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: 12/2/2015
Vulnerability Publication Date: 8/11/2015
Exploitable With
Core Impact
Metasploit (Libuser roothelper Privilege Escalation)
Reference Information
CVE: CVE-2015-3245, CVE-2015-3246
IAVA: 2015-A-0179