F5 BIG-IP up to 11.6.3.1/12.1.3.3/13.1.0.5 ssldump access control

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in F5 BIG-IP up to 11.6.3.1/12.1.3.3/13.1.0.5. This vulnerability affects unknown code of the component ssldump. The manipulation leads to access control. This vulnerability is traded as CVE-2018-5519. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in F5 BIG-IP up to 11.6.3.1/12.1.3.3/13.1.0.5 (Firewall Software) and classified as critical. This issue affects some unknown functionality of the component ssldump. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, and integrity. The summary by CVE is:

On F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.3.3, or 11.2.1-11.6.3.1, administrative users by way of undisclosed methods can exploit the ssldump utility to write to arbitrary file paths. For users who do not have Advanced Shell access (for example, any user when licensed for Appliance Mode), this allows more permissive file access than intended.

The bug was discovered 05/02/2018. The weakness was shared 05/02/2018 (Website). The advisory is shared at support.f5.com. The identification of this vulnerability is CVE-2018-5519 since 01/12/2018. The attack may be initiated remotely. A simple authentication is required for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 118668 (F5 Networks BIG-IP : ssldump vulnerability (K46121888)), 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 370960 (F5 BIG-IP ASM ssldump Unauthorized Modification Vulnerability (K46121888)).

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 vulnerability database at Tenable (118668). The entries VDB-117330, VDB-117328, VDB-117327 and VDB-117325 are related to this item. 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: 5.2
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.4
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.9
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

Class: Access control
CWE: CWE-284 / CWE-266
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: 118668
Nessus Name: F5 Networks BIG-IP : ssldump vulnerability (K46121888)
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 🔍
04/30/2018 +108 days 🔍
05/02/2018 +1 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: K46121888
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-5519 (🔍)
GCVE (CVE): GCVE-0-2018-5519
GCVE (VulDB): GCVE-100-117329
SecurityTracker: 1040803

See also: 🔍

Entryinfo

Created: 05/03/2018 10:37
Updated: 03/08/2023 15:02
Changes: 05/03/2018 10:37 (63), 02/02/2020 09:54 (8), 03/08/2023 15:02 (5)
Complete: 🔍
Cache ID: 216::103

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

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