Efssoft Easy File Sharing Web Server 6.8 UserID memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
9.4 | $0-$5k | 0.00 |
A vulnerability has been found in Efssoft Easy File Sharing Web Server 6.8 (Web Server) and classified as very critical. This vulnerability affects some unknown processing of the component File Sharing. The manipulation of the argument UserID
with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
Stack-based buffer overflow in Easy File Sharing (EFS) Web Server 6.8 allows remote attackers to execute arbitrary code via a long string in a cookie UserID parameter to vfolder.ghp.
The weakness was shared 05/20/2014 (Website). The advisory is available at exploit-db.com. This vulnerability was named CVE-2014-3791 since 05/20/2014. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 03/21/2022).
A public exploit has been developed by superkojiman in Python and been published before and not just after the advisory. It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $0-$5k.
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 (33352).
Product
Type
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 10.0VulDB Meta Temp Score: 9.4
VulDB Base Score: 10.0
VulDB Temp Score: 9.4
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: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: superkojiman
Programming Language: 🔍
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Saint ID: exploit_info/efs_web_server_userid_cookie
Saint Name: Easy File Sharing Web Server SESSIONID Cookie Handling Buffer Overflow
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
05/14/2014 🔍05/14/2014 🔍
05/14/2014 🔍
05/20/2014 🔍
05/20/2014 🔍
05/20/2014 🔍
03/25/2015 🔍
03/21/2022 🔍
Sources
Advisory: 126614Status: Confirmed
CVE: CVE-2014-3791 (🔍)
SecurityFocus: 67406
OSVDB: 106965
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 03/25/2015 16:45Updated: 03/21/2022 15:52
Changes: 03/25/2015 16:45 (59), 03/02/2018 09:48 (5), 03/21/2022 15:52 (2)
Complete: 🔍
Cache ID: 18:A40:103
No comments yet. Languages: en.
Please log in to comment.