F5 BIG-IP up to 11.6.1 REST Authentication Timeout /var/log/restjavad.0.log Log information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in F5 BIG-IP up to 11.6.1. This impacts an unknown function of the file /var/log/restjavad.0.log of the component REST Authentication Timeout Handler. Performing a manipulation results in information disclosure (Log). This vulnerability is identified as CVE-2016-6249. The attack is only possible with local access. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in F5 BIG-IP up to 11.6.1 (Firewall Software). It has been classified as problematic. This affects an unknown functionality of the file /var/log/restjavad.0.log of the component REST Authentication Timeout Handler. The manipulation with an unknown input leads to a information disclosure vulnerability (Log). CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

F5 BIG-IP 12.0.0 and 11.5.0 - 11.6.1 REST requests which timeout during user account authentication may log sensitive attributes such as passwords in plaintext to /var/log/restjavad.0.log. It may allow local users to obtain sensitive information by reading these files.

The bug was discovered 02/11/2017. The weakness was released 02/20/2017 (Website). The advisory is shared at support.f5.com. This vulnerability is uniquely identified as CVE-2016-6249 since 07/19/2016. An attack has to be approached locally. The successful exploitation needs a authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

By approaching the search of inurl:var/log/restjavad.0.log it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 97151 (F5 Networks BIG-IP : BIG-IP REST vulnerability (K12685114)), 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 even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (97151) and SecurityTracker (ID 1037873†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Log
Class: Information disclosure / Log
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 97151
Nessus Name: F5 Networks BIG-IP : BIG-IP REST vulnerability (K12685114)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800325
OpenVAS Name: F5 BIG-IP - REST vulnerability CVE-2016-6249
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/19/2016 🔍
02/10/2017 +206 days 🔍
02/11/2017 +1 days 🔍
02/15/2017 +4 days 🔍
02/20/2017 +5 days 🔍
02/20/2017 +0 days 🔍
02/21/2017 +1 days 🔍
11/25/2024 +2834 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: support.f5.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-6249 (🔍)
GCVE (CVE): GCVE-0-2016-6249
GCVE (VulDB): GCVE-100-97161
OSVDB: - CVE-2016-6249 - F5 - BIG-IP - Information Disclosure Issue
SecurityTracker: 1037873

Entryinfo

Created: 02/21/2017 07:53
Updated: 11/25/2024 03:53
Changes: 02/21/2017 07:53 (69), 08/16/2020 09:51 (5), 11/25/2024 03:53 (19)
Complete: 🔍
Cache ID: 216:76A:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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