phpCollab up to 2.5.1 File Upload clients/editclient.php Request unrestricted upload
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.4 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical was found in phpCollab up to 2.5.1. This impacts an unknown function of the file clients/editclient.php of the component File Upload. Executing a manipulation as part of Request can lead to unrestricted upload. This vulnerability is registered as CVE-2017-6090. It is possible to launch the attack remotely. Furthermore, an exploit is available.
Details
A vulnerability classified as critical was found in phpCollab up to 2.5.1. This vulnerability affects an unknown function of the file clients/editclient.php of the component File Upload. The manipulation as part of a Request leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
Unrestricted file upload vulnerability in clients/editclient.php in PhpCollab 2.5.1 and earlier allows remote authenticated users to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in logos_clients/.
The bug was discovered 09/27/2017. The weakness was published 10/03/2017 (Website). The advisory is shared for download at sysdream.com. This vulnerability was named CVE-2017-6090 since 02/18/2017. The attack can be initiated remotely. The successful exploitation requires a single authentication. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1608.002.
It is possible to download the exploit at exploit-db.com. It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:clients/editclient.php it is possible to find vulnerable targets with Google Hacking.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at Exploit-DB (42934). Similar entry is available at VDB-107379. Once again VulDB remains the best source for vulnerability data.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.6VulDB Meta Temp Score: 7.4
VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 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: Unrestricted uploadCWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍
Google Hack: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
MetaSploit ID: phpcollab_upload_exec.rb
MetaSploit Name: phpCollab 2.5.1 Unauthenticated File Upload
MetaSploit File: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
02/18/2017 🔍09/27/2017 🔍
10/02/2017 🔍
10/03/2017 🔍
10/03/2017 🔍
08/03/2025 🔍
Sources
Advisory: sysdream.comStatus: Not defined
CVE: CVE-2017-6090 (🔍)
GCVE (CVE): GCVE-0-2017-6090
GCVE (VulDB): GCVE-100-107380
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 10/03/2017 11:02Updated: 08/03/2025 16:47
Changes: 10/03/2017 11:02 (59), 11/21/2019 13:41 (7), 08/03/2025 16:47 (19)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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