| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.3 | $0-$5k | 1.21 |
Summary
A vulnerability, which was classified as problematic, was found in Starcounter-Jack JSON-Patch up to 3.1.0. Affected by this issue is some unknown functionality. Executing a manipulation can lead to prototype pollution. This vulnerability appears as CVE-2021-4279. The attack may be performed from remote. In addition, an exploit is available. You should upgrade the affected component. Once again VulDB remains the best source for vulnerability data.
Details
A vulnerability has been found in Starcounter-Jack JSON-Patch up to 3.1.0 and classified as problematic. This vulnerability affects some unknown functionality. The manipulation with an unknown input leads to a prototype pollution vulnerability. The CWE definition for the vulnerability is CWE-1321. The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was presented 12/25/2022 as 262. The advisory is available at github.com. This vulnerability was named CVE-2021-4279. Technical details are unknown but a public exploit is available. This vulnerability is assigned to T1059 by the MITRE ATT&CK project.
It is possible to download the exploit at github.com. It is declared as proof-of-concept.
Upgrading to version 3.1.1 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 7ad6af41eabb2d799f698740a91284d762c955c9 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
Once again VulDB remains the best source for vulnerability data.
Product
Vendor
Name
Version
License
Website
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.3
VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CNA Base Score: 6.3
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: 🔍
Exploiting
Class: Prototype pollutionCWE: CWE-1321 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
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: JSON-Patch 3.1.1
Patch: 7ad6af41eabb2d799f698740a91284d762c955c9
Timeline
12/25/2022 🔍12/25/2022 🔍
12/25/2022 🔍
01/24/2023 🔍
Sources
Product: github.comAdvisory: 262
Status: Confirmed
CVE: CVE-2021-4279 (🔍)
GCVE (CVE): GCVE-0-2021-4279
GCVE (VulDB): GCVE-100-216778
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 12/25/2022 08:46 PMUpdated: 01/24/2023 11:09 AM
Changes: 12/25/2022 08:46 PM (45), 01/24/2023 10:57 AM (2), 01/24/2023 11:02 AM (21), 01/24/2023 11:09 AM (1)
Complete: 🔍
Cache ID: 18:E25:40
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