F5 BIG-IP APM Client up to 7.1.7.0 on Linux/macOS svpn/policyserver access control

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.6 | $0-$5k | 0.00 |
Summary
A vulnerability was found in F5 BIG-IP APM Client up to 7.1.7.0 on Linux/macOS. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component svpn/policyserver. The manipulation results in access control. This vulnerability is cataloged as CVE-2018-5546. The attack must be initiated from a local position. There is no exploit available. It is recommended to upgrade the affected component.
Details
A vulnerability, which was classified as critical, was found in F5 BIG-IP APM Client up to 7.1.7.0 on Linux/macOS (Firewall Software). Affected is some unknown processing of the component svpn/policyserver. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
The svpn and policyserver components of the F5 BIG-IP APM client prior to version 7.1.7.1 for Linux and macOS runs as a privileged process and can allow an unprivileged user to get ownership of files owned by root on the local client host. A malicious local unprivileged user may gain knowledge of sensitive information, manipulate certain data, or assume super-user privileges on the local client host.
The bug was discovered 08/17/2018. The weakness was shared 08/17/2018 (Website). The advisory is shared for download at support.f5.com. This vulnerability is traded as CVE-2018-5546 since 01/11/2018. The attack needs to be approached locally. Required for exploitation is a authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.
The vulnerability scanner Nessus provides a plugin with the ID 118681 (F5 Networks BIG-IP : BIG-IP APM client for Linux and macOS vulnerability (K54431371)), 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 371625 (F5 BIG-IP APM Client For APM Privilege Escalation Vulnerabilitiy (K54431371,K12130880)).
Upgrading to version 7.1.7.1 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 databases at Tenable (118681) and SecurityFocus (BID 106135†). The entry VDB-127638 is related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://f5.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.8VulDB Meta Temp Score: 7.6
VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Access controlCWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Nessus ID: 118681
Nessus Name: F5 Networks BIG-IP : BIG-IP APM client for Linux and macOS vulnerability (K54431371)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: BIG-IP APM Client 7.1.7.1
Timeline
01/11/2018 🔍08/16/2018 🔍
08/17/2018 🔍
08/17/2018 🔍
08/17/2018 🔍
08/18/2018 🔍
11/02/2018 🔍
12/06/2018 🔍
05/02/2023 🔍
Sources
Vendor: f5.comAdvisory: K54431371
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2018-5546 (🔍)
GCVE (CVE): GCVE-0-2018-5546
GCVE (VulDB): GCVE-100-123024
SecurityFocus: 106135 - F5 BIG-IP APM Client CVE-2018-15332 Local Privilege Escalation Vulnerability
SecurityTracker: 1041510
See also: 🔍
Entry
Created: 08/18/2018 13:36Updated: 05/02/2023 14:33
Changes: 08/18/2018 13:36 (72), 03/16/2020 15:44 (5), 05/02/2023 14:33 (5)
Complete: 🔍
Cache ID: 216::103
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