F5 BIG-IP up to 13.1.0.3 TMM DNS Request resource management

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in F5 BIG-IP up to 13.1.0.3. This issue affects some unknown processing of the component TMM. Performing a manipulation as part of DNS Request results in resource management. This vulnerability is identified as CVE-2018-5505. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in F5 BIG-IP up to 13.1.0.3 (Firewall Software). This affects some unknown functionality of the component TMM. The manipulation as part of a DNS Request leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. The summary by CVE is:

On F5 BIG-IP versions 13.1.0 - 13.1.0.3, when ASM and AVR are both provisioned, TMM may restart while processing DNS requests when the virtual server is configured with a DNS profile and the Protocol setting is set to TCP.

The bug was discovered 03/22/2018. The weakness was released 03/22/2018 (Website). The advisory is shared at support.f5.com. This vulnerability is uniquely identified as CVE-2018-5505 since 01/12/2018. 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 118645 (F5 Networks BIG-IP : BIG-IP ASM and BIG-IP AFM/BIG-IP Analytics vulnerability (K23520761)), 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 371182 (F5 BIG-IP ASM Analytics Denial Of Service Vulnerability (K23520761)).

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 databases at Tenable (118645) and SecurityFocus (BID 103505†). Entries connected to this vulnerability are available at VDB-114922, VDB-114919, VDB-114918 and VDB-114920. 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: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
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: 118645
Nessus Name: F5 Networks BIG-IP : BIG-IP ASM and BIG-IP AFM/BIG-IP Analytics vulnerability (K23520761)
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

01/12/2018 🔍
03/21/2018 +68 days 🔍
03/22/2018 +1 days 🔍
03/22/2018 +0 days 🔍
03/22/2018 +0 days 🔍
03/22/2018 +0 days 🔍
03/23/2018 +1 days 🔍
11/02/2018 +224 days 🔍
02/22/2023 +1573 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K23520761
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-5505 (🔍)
GCVE (CVE): GCVE-0-2018-5505
GCVE (VulDB): GCVE-100-114921
SecurityFocus: 103505 - F5 BIG-IP ASM and Analytics CVE-2018-5505 Remote Denial of Service Vulnerability
SecurityTracker: 1040559

See also: 🔍

Entryinfo

Created: 03/23/2018 10:05
Updated: 02/22/2023 16:22
Changes: 03/23/2018 10:05 (65), 01/16/2020 06:47 (10), 02/06/2021 06:09 (2), 02/22/2023 16:22 (3)
Complete: 🔍
Cache ID: 216::103

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

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