Etherpad Lite up to 1.6.2 JSONP apicalls.js access control
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.1 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Etherpad Lite up to 1.6.2. It has been classified as critical. The impacted element is an unknown function of the file node/hooks/express/apicalls.js of the component JSONP Handler. This manipulation causes access control. The identification of this vulnerability is CVE-2018-6835. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is recommended.
Details
A vulnerability has been found in Etherpad Lite up to 1.6.2 and classified as critical. Affected by this vulnerability is an unknown code block of the file node/hooks/express/apicalls.js of the component JSONP Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
node/hooks/express/apicalls.js in Etherpad Lite before v1.6.3 mishandles JSONP, which allows remote attackers to bypass intended access restrictions.
The bug was discovered 02/07/2018. The weakness was shared 02/08/2018 (GitHub Repository). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2018-6835 since 02/07/2018. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.
The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.
Upgrading to version 1.6.3 eliminates this vulnerability.
The entry VDB-112998 is related to this item. Be aware that VulDB is the high quality source for vulnerability data.
Product
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.5VulDB Meta Temp Score: 8.1
VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
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: Access controlCWE: CWE-284 / CWE-266
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: Etherpad Lite 1.6.3
Patch: github.com
Timeline
02/07/2018 🔍02/07/2018 🔍
02/08/2018 🔍
02/08/2018 🔍
02/08/2018 🔍
02/06/2023 🔍
Sources
Advisory: 626e58cc5af1db3691b41fca7b06c28ea43141b1Status: Not defined
Confirmation: 🔍
CVE: CVE-2018-6835 (🔍)
GCVE (CVE): GCVE-0-2018-6835
GCVE (VulDB): GCVE-100-112999
See also: 🔍
Entry
Created: 02/08/2018 18:24Updated: 02/06/2023 08:33
Changes: 02/08/2018 18:24 (59), 01/03/2020 06:22 (2), 02/06/2023 08:33 (6)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
No comments yet. Languages: en.
Please log in to comment.