F5 BIG-IP up to 12.1.3.6/13.1.1.1/14.0.0.2 TMM input validation

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

A vulnerability was found in F5 BIG-IP up to 12.1.3.6/13.1.1.1/14.0.0.2 (Firewall Software). It has been classified as problematic. This affects an unknown function of the component TMM. 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:

On BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.1.1, or 12.1.0-12.1.3.6, malicious requests made to virtual servers with an HTTP profile can cause the TMM to restart. The issue is exposed with the non-default "normalize URI" configuration options used in iRules and/or BIG-IP LTM policies.

The bug was discovered 11/01/2018. The weakness was disclosed 10/30/2018 (Website). The advisory is shared at support.f5.com. This vulnerability is uniquely identified as CVE-2018-15319 since 08/14/2018. 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 118689 (F5 Networks BIG-IP : TMM vulnerability (K64208870)), 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 371353 (F5 BIG-IP ASM,LTM,APM TMM Traffic Disruption Vulnerability (K64208870)).

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 (118689). The entries 126361, 126360, 126359 and 126358 are pretty similar.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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: 🔍
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Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 118689
Nessus Name: F5 Networks BIG-IP : TMM vulnerability (K64208870)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/14/2018 🔍
10/30/2018 +77 days 🔍
10/30/2018 +0 days 🔍
10/31/2018 +0 days 🔍
11/01/2018 +1 days 🔍
11/01/2018 +0 days 🔍
11/02/2018 +1 days 🔍
06/04/2023 +1675 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K64208870
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-15319 (🔍)
SecurityFocus: 107052

See also: 🔍

Entryinfo

Created: 11/01/2018 05:55
Updated: 06/04/2023 08:44
Changes: 11/01/2018 05:55 (66), 04/09/2020 10:48 (4), 06/04/2023 08:44 (5)
Complete: 🔍
Cache ID: 18:35B:103

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