F5 BIG-IP up to 13.1.0.5 LRO resource management

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

Summaryinfo

A vulnerability has been found in F5 BIG-IP up to 13.1.0.5 and classified as problematic. This affects an unknown function of the component LRO. The manipulation leads to resource management. This vulnerability is listed as CVE-2018-5512. The attack may be initiated remotely. There is no available exploit. It is recommended to apply restrictive firewalling.

Detailsinfo

A vulnerability was found in F5 BIG-IP up to 13.1.0.5 (Firewall Software). It has been rated as problematic. This issue affects an unknown part of the component LRO. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. The summary by CVE is:

On F5 BIG-IP 13.1.0-13.1.0.5, when Large Receive Offload (LRO) and SYN cookies are enabled (default settings), undisclosed traffic patterns may cause TMM to restart.

The bug was discovered 05/01/2018. The weakness was presented 05/02/2018 (Website). It is possible to read the advisory at support.f5.com. The identification of this vulnerability is CVE-2018-5512 since 01/12/2018. The exploitation is known to be easy. 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 118674 (F5 Networks BIG-IP : BIG-IP system vulnerability (K51754851)), 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 370961 (F5 BIG-IP ASM TMM Multiple Disruption of Service Vulnerabilities (K25573437, K45320419, K51754851)).

Addressing this vulnerability is possible by firewalling . 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 (118674) and SecurityFocus (BID 104095†). See VDB-117324 and VDB-117327 for similar entries. 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: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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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: 118674
Nessus Name: F5 Networks BIG-IP : BIG-IP system vulnerability (K51754851)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/12/2018 🔍
04/30/2018 +108 days 🔍
05/01/2018 +1 days 🔍
05/01/2018 +0 days 🔍
05/02/2018 +0 days 🔍
05/02/2018 +0 days 🔍
05/03/2018 +1 days 🔍
11/02/2018 +183 days 🔍
03/08/2023 +1587 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K51754851
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-5512 (🔍)
GCVE (CVE): GCVE-0-2018-5512
GCVE (VulDB): GCVE-100-117323
SecurityFocus: 104095 - F5 BIG-IP CVE-2018-5512 Remote Denial of Service Vulnerability
SecurityTracker: 1040801

See also: 🔍

Entryinfo

Created: 05/03/2018 10:35
Updated: 03/08/2023 14:54
Changes: 05/03/2018 10:35 (65), 02/02/2020 09:21 (9), 03/08/2023 14:54 (5)
Complete: 🔍
Cache ID: 216::103

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