GitStack up to 2.3.10 rest/user/ username/password User input validation
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.4 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in GitStack up to 2.3.10 and classified as critical. This vulnerability affects unknown code of the file rest/user/. Performing a manipulation of the argument username/password results in input validation (User). This vulnerability is cataloged as CVE-2018-5955. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.
Details
A vulnerability, which was classified as critical, was found in GitStack up to 2.3.10. This affects an unknown part of the file rest/user/. The manipulation of the argument username/password with an unknown input leads to a input validation vulnerability (User). CWE is classifying the issue as CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
An issue was discovered in GitStack through 2.3.10. User controlled input is not sufficiently filtered, allowing an unauthenticated attacker to add a user to the server via the username and password fields to the rest/user/ URI.
The bug was discovered 01/15/2018. The weakness was shared 01/21/2018 (Website). The advisory is shared at blogs.securiteam.com. This vulnerability is uniquely identified as CVE-2018-5955 since 01/21/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known.
The exploit is shared for download at exploit-db.com. It is declared as highly functional. 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 (44044). If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.5VulDB Meta Temp Score: 8.4
VulDB Base Score: 7.3
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
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
Name: UserClass: Input validation / User
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
MetaSploit ID: gitstack_rest.rb
MetaSploit Name: GitStack Unauthenticated REST API Requests
MetaSploit File: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Suricata ID: 2025830
Suricata Class: 🔍
Suricata Message: 🔍
Timeline
01/15/2018 🔍01/21/2018 🔍
01/21/2018 🔍
01/21/2018 🔍
01/22/2018 🔍
05/16/2025 🔍
Sources
Advisory: blogs.securiteam.com⛔Status: Not defined
CVE: CVE-2018-5955 (🔍)
GCVE (CVE): GCVE-0-2018-5955
GCVE (VulDB): GCVE-100-112269
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 01/22/2018 07:53Updated: 05/16/2025 14:33
Changes: 01/22/2018 07:53 (61), 12/26/2019 11:18 (7), 05/16/2025 14:33 (19)
Complete: 🔍
Cache ID: 216:E56:103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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