Prestaul skeemas validators/base.js uri redos

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

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB 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): 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Redos
CWE: 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-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 65e94eda62dc8dc148ab3e59aa2ccc086ac448fd

Timelineinfo

01/11/2023 🔍
01/11/2023 +0 days 🔍
01/11/2023 +0 days 🔍
02/01/2023 +21 days 🔍

Sourcesinfo

Advisory: 65e94eda62dc8dc148ab3e59aa2ccc086ac448fd
Researcher: James Davis
Status: Confirmed

CVE: CVE-2018-25074 (🔍)
GCVE (CVE): GCVE-0-2018-25074
GCVE (VulDB): GCVE-100-218003

Entryinfo

Created: 01/11/2023 15:54
Updated: 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

Discussion

No comments yet. Languages: en.

Please log in to comment.

Interested in the pricing of exploits?

See the underground prices here!