MyBB/MyBB Merge System up to 1.8.7 fetch_remote_file server-side request forgery
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.0 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical was found in MyBB and MyBB Merge System up to 1.8.7. This affects the function fetch_remote_file. Such manipulation leads to server-side request forgery.
This vulnerability is uniquely identified as CVE-2016-9417. The attack can be launched remotely. No exploit exists.
Upgrading the affected component is advised.
Details
A vulnerability was found in MyBB and MyBB Merge System up to 1.8.7 (Content Management System). It has been rated as critical. Affected by this issue is the function fetch_remote_file. The manipulation with an unknown input leads to a server-side request forgery vulnerability. Using CWE to declare the problem leads to CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. Impacted is confidentiality, integrity, and availability. CVE summarizes:
The fetch_remote_file function in MyBB (aka MyBulletinBoard) before 1.8.8 and MyBB Merge System before 1.8.8 allows remote attackers to conduct server-side request forgery (SSRF) attacks via unspecified vectors.
The bug was discovered 01/31/2017. The weakness was disclosed 01/31/2017 (Website). The advisory is available at openwall.com. This vulnerability is handled as CVE-2016-9417 since 11/17/2016. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.
Upgrading to version 1.8.8 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 94396†). The entries VDB-96323, VDB-96324, VDB-96325 and VDB-96326 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Name
Version
License
Website
- Product: https://mybb.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 7.2
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.4
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
Class: Server-side request forgeryCWE: CWE-918
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 |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: MyBB/MyBB Merge System 1.8.8
Timeline
11/10/2016 🔍11/17/2016 🔍
01/31/2017 🔍
01/31/2017 🔍
01/31/2017 🔍
02/01/2017 🔍
08/08/2020 🔍
Sources
Product: mybb.comAdvisory: openwall.com
Status: Not defined
Confirmation: 🔍
CVE: CVE-2016-9417 (🔍)
GCVE (CVE): GCVE-0-2016-9417
GCVE (VulDB): GCVE-100-96362
SecurityFocus: 94396 - MyBB Versions Prior To 1.8.8 Multiple Security Vulnerabilities
OSVDB: - CVE-2016-9417 - MyBB - Multiple Products - Server-Side Request Forgery Issue
See also: 🔍
Entry
Created: 02/01/2017 07:16Updated: 08/08/2020 18:02
Changes: 02/01/2017 07:16 (59), 08/08/2020 18:02 (6)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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