F5 BIG-IP up to 12.1.3.6/13.1.1.1 Configuration Utility Page Reflected cross site scripting

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.1 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic has been found in F5 BIG-IP up to 12.1.3.6/13.1.1.1. The impacted element is an unknown function of the component Configuration Utility Page. This manipulation causes cross site scripting (Reflected). This vulnerability appears as CVE-2018-15315. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.
Details
A vulnerability classified as problematic was found in F5 BIG-IP up to 12.1.3.6/13.1.1.1 (Firewall Software). Affected by this vulnerability is some unknown processing of the component Configuration Utility Page. The manipulation with an unknown input leads to a cross site scripting vulnerability (Reflected). The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:
On F5 BIG-IP 13.0.0-13.1.1.1 and 12.1.0-12.1.3.6, there is a reflected Cross Site Scripting (XSS) vulnerability in an undisclosed Configuration Utility page.
The bug was discovered 10/08/2018. The weakness was presented 10/19/2018 (Website). It is possible to read the advisory at support.f5.com. This vulnerability is known as CVE-2018-15315 since 08/14/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.
The vulnerability was handled as a non-public zero-day exploit for at least 9 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 118659 (F5 Networks BIG-IP : Reflected XSS vulnerability in an undisclosed Configuration utility page (K41704442)), 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 371271 (F5 BIG-IP ASM Configuration utility Reflected Cross-Site Scripting Vulnerability (K44462254,K41704442)).
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 (118659). See VDB-125800 for similar entry. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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: 5.2VulDB Meta Temp Score: 5.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.1
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Name: ReflectedClass: Cross site scripting / Reflected
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 118659
Nessus Name: F5 Networks BIG-IP : Reflected XSS vulnerability in an undisclosed Configuration utility page (K41704442)
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: 🔍
Timeline
08/14/2018 🔍10/08/2018 🔍
10/17/2018 🔍
10/19/2018 🔍
10/19/2018 🔍
10/20/2018 🔍
11/02/2018 🔍
05/30/2023 🔍
Sources
Vendor: f5.comAdvisory: K41704442
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2018-15315 (🔍)
GCVE (CVE): GCVE-0-2018-15315
GCVE (VulDB): GCVE-100-125803
SecurityTracker: 1041935
See also: 🔍
Entry
Created: 10/20/2018 09:01Updated: 05/30/2023 13:28
Changes: 10/20/2018 09:01 (68), 04/05/2020 17:00 (4), 05/30/2023 13:28 (5)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
No comments yet. Languages: en.
Please log in to comment.