A vulnerability was found in Prestaul skeemas (affected version not known) and classified as problematic. This issue affects some unknown functionality of the file validators/base.js. The manipulation of the argument uri with an unknown input leads to a redos vulnerability. Using CWE to declare the problem leads to CWE-1333. The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles. Impacted is availability.
The weakness was presented 01/11/2023 by James Davis as 65e94eda62dc8dc148ab3e59aa2ccc086ac448fd. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2018-25074. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1449.003 according to MITRE ATT&CK.
Applying the patch 65e94eda62dc8dc148ab3e59aa2ccc086ac448fd is able to eliminate this problem. The bugfix is ready for download at github.com. The advisory contains the following remark:
Special thanks to James Davis for finding and reporting the vulnerability
Product
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.8VulDB Meta Temp Score: 4.8
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CNA Base Score: 3.5
CNA Vector (VulDB): 🔍
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: RedosCWE: CWE-1333 / CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Partially
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: PatchStatus: 🔍
0-Day Time: 🔍
Patch: 65e94eda62dc8dc148ab3e59aa2ccc086ac448fd
Timeline
01/11/2023 🔍01/11/2023 🔍
01/11/2023 🔍
02/01/2023 🔍
Sources
Advisory: 65e94eda62dc8dc148ab3e59aa2ccc086ac448fdResearcher: James Davis
Status: Confirmed
CVE: CVE-2018-25074 (🔍)
GCVE (CVE): GCVE-0-2018-25074
GCVE (VulDB): GCVE-100-218003
Entry
Created: 01/11/2023 15:54Updated: 02/01/2023 16:02
Changes: 01/11/2023 15:54 (43), 02/01/2023 15:57 (2), 02/01/2023 16:02 (28)
Complete: 🔍
Cache ID: 152:AC2:65
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