F5 BIG-IP 12.1.0/12.1.1/12.1.2 Virtual Server input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in F5 BIG-IP 12.1.0/12.1.1/12.1.2. The affected element is an unknown function of the component Virtual Server. Performing a manipulation results in input validation. This vulnerability was named CVE-2016-9253. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in F5 BIG-IP 12.1.0/12.1.1/12.1.2 (Firewall Software). This affects some unknown processing of the component Virtual Server. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. The summary by CVE is:

In F5 BIG-IP 12.1.0 through 12.1.2, specific websocket traffic patterns may cause a disruption of service for virtual servers configured to use the websocket profile.

The bug was discovered 05/05/2017. The weakness was presented 05/09/2017 (Website). The advisory is shared at support.f5.com. This vulnerability is uniquely identified as CVE-2016-9253 since 11/09/2016. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 100003 (F5 Networks BIG-IP : Websocket profile vulnerability (K51351360)), 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370461 (F5 BIG-IP ASM Multiple Denial of Service Vulnerabilities (K51351360, K51351360)).

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (100003). See VDB-97621 for similar entry. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 100003
Nessus Name: F5 Networks BIG-IP : Websocket profile vulnerability (K51351360)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800325
OpenVAS Name: F5 BIG-IP - TMM vulnerability CVE-2016-9253
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/09/2016 🔍
05/05/2017 +177 days 🔍
05/05/2017 +0 days 🔍
05/08/2017 +3 days 🔍
05/09/2017 +1 days 🔍
05/09/2017 +0 days 🔍
05/09/2017 +0 days 🔍
12/06/2022 +2037 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K51351360
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-9253 (🔍)
GCVE (CVE): GCVE-0-2016-9253
GCVE (VulDB): GCVE-100-100953
OSVDB: - CVE-2016-9253 - F5 - Big-Ip Access Policy Manager - Medium
SecurityTracker: 1038415

See also: 🔍

Entryinfo

Created: 05/09/2017 23:01
Updated: 12/06/2022 08:56
Changes: 05/09/2017 23:01 (70), 09/24/2020 17:59 (5), 12/22/2020 14:29 (3), 12/06/2022 08:56 (3)
Complete: 🔍
Cache ID: 216:AC2:103

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