Laravel up to 8.70.2 on Debian Image Upload ValidatesAttributes.php unrestricted upload
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.0 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Laravel up to 8.70.2 on Debian and classified as critical. This issue affects some unknown processing of the file Illuminate/Validation/Concerns/ValidatesAttributes.php of the component Image Upload Handler. Executing a manipulation can lead to unrestricted upload. This vulnerability is tracked as CVE-2021-43617. Moreover, an exploit is present. It is advisable to implement a patch to correct this issue.
Details
A vulnerability classified as critical was found in Laravel up to 8.70.2 on Debian. This vulnerability affects an unknown code of the file Illuminate/Validation/Concerns/ValidatesAttributes.php of the component Image Upload Handler. The manipulation with an unknown input 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.
The weakness was disclosed 11/14/2021. The advisory is shared for download at hosein-vita.medium.com. This vulnerability was named CVE-2021-43617 since 11/14/2021. 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 proof-of-concept. By approaching the search of inurl:Illuminate/Validation/Concerns/ValidatesAttributes.php it is possible to find vulnerable targets with Google Hacking.
Applying the patch dc253886b5b2e9bc8d9e36db787abb083a667fd8 is able to eliminate this problem. The bugfix is ready for download at salsa.debian.org.
The vulnerability is also documented in the vulnerability database at Exploit-DB (50525). 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: 5.5VulDB Meta Temp Score: 5.0
VulDB Base Score: 5.5
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
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: 🔍
Exploiting
Class: Unrestricted uploadCWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Partially
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
Google Hack: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: dc253886b5b2e9bc8d9e36db787abb083a667fd8
Timeline
11/14/2021 🔍11/14/2021 🔍
11/14/2021 🔍
12/25/2024 🔍
Sources
Advisory: dc253886b5b2e9bc8d9e36db787abb083a667fd8Status: Confirmed
CVE: CVE-2021-43617 (🔍)
GCVE (CVE): GCVE-0-2021-43617
GCVE (VulDB): GCVE-100-186652
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 11/14/2021 22:19Updated: 12/25/2024 14:58
Changes: 11/14/2021 22:19 (42), 11/16/2021 17:32 (2), 12/25/2024 14:58 (25)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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