VDB-91019 · CVE-2016-6876 · Nessus 93239

F5 BIG-IP up to 10.2.4/11.2.1/11.6.0/12.0.0 RESOLV::lookup iRule Command DNS Reply resource management

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.3	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in F5 BIG-IP up to 10.2.4/11.2.1/11.6.0/12.0.0. Affected is an unknown function of the component RESOLV::lookup iRule Command. The manipulation as part of DNS Reply leads to resource management. This vulnerability is traded as CVE-2016-6876. It is possible to launch the attack remotely. There is no exploit available. It is recommended to upgrade the affected component. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Detailsinfo

A vulnerability, which was classified as critical, has been found in F5 BIG-IP up to 10.2.4/11.2.1/11.6.0/12.0.0 (Firewall Software). This issue affects an unknown code block of the component RESOLV::lookup iRule Command. The manipulation as part of a DNS Reply leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability.

The weakness was shared 08/30/2016 as SOL52638558 / 550596 as confirmed security advisory (Website). It is possible to read the advisory at support.f5.com. The identification of this vulnerability is CVE-2016-6876 since 08/18/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 93239 (F5 Networks BIG-IP : RESOLV::lookup iRule command vulnerability (K52638558)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family F5 Networks Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (93239) and SecurityTracker (ID 1036725†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Firewall Software

Vendor

Name

BIG-IP

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 93239
Nessus Name: F5 Networks BIG-IP : RESOLV::lookup iRule command vulnerability (K52638558)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 61659
OpenVAS Name: F5 BIG-IP - SOL52638558 - RESOLV::lookup iRule command vulnerability CVE-2016-6876
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

08/18/2016 🔍
08/30/2016 +12 days 🔍
08/30/2016 +0 days 🔍
08/31/2016 +1 days 🔍
09/01/2016 +1 days 🔍
09/01/2016 +0 days 🔍
09/07/2016 +6 days 🔍
09/14/2022 +2198 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: SOL52638558 / 550596
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-6876 (🔍)
GCVE (CVE): GCVE-0-2016-6876
GCVE (VulDB): GCVE-100-91019
SecurityTracker: 1036725

Entryinfo

Created: 09/01/2016 19:43
Updated: 09/14/2022 14:33
Changes: 09/01/2016 19:43 (66), 04/06/2019 18:05 (10), 09/14/2022 14:33 (3)
Complete: 🔍
Cache ID: 216:CAC:103